Home / 1,465.36-2,020.06-1,115.44

Finding the Fourth Proportional to 1,465.36, 2,020.06 and 1,115.44

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Solution

The fourth proportional to 1,465.36, 2,020.06 and 1,115.44 is: 1,537.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.36 : 2,020.06 = 1,115.44 : x
  2. Step 2: Convert to fraction form
    1,465.36/2,020.06 = 1,115.44/x
  3. Step 3: Cross multiply
    1,465.36x = 2,020.06 × 1,115.44
  4. Step 4: Simplify right side
    1,465.36x = 2,253,255.73
  5. Step 5: Solve for x
    x = 2,253,255.73/1,465.36
  6. Step 6: Final answer
    x = 1,537.68

Related Problems

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Half scale
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Double scale
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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.