Home / 2,067.78-2,853.48-1,136.28

Finding the Fourth Proportional to 2,067.78, 2,853.48 and 1,136.28

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Solution

The fourth proportional to 2,067.78, 2,853.48 and 1,136.28 is: 1,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.78 : 2,853.48 = 1,136.28 : x
  2. Step 2: Convert to fraction form
    2,067.78/2,853.48 = 1,136.28/x
  3. Step 3: Cross multiply
    2,067.78x = 2,853.48 × 1,136.28
  4. Step 4: Simplify right side
    2,067.78x = 3,242,352.25
  5. Step 5: Solve for x
    x = 3,242,352.25/2,067.78
  6. Step 6: Final answer
    x = 1,568.04

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,068.78, 2,854.86 and 1,137.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.