Home / 2,068.88-2,855.07-1,137.38

Finding the Fourth Proportional to 2,068.88, 2,855.07 and 1,137.38

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Solution

The fourth proportional to 2,068.88, 2,855.07 and 1,137.38 is: 1,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.88 : 2,855.07 = 1,137.38 : x
  2. Step 2: Convert to fraction form
    2,068.88/2,855.07 = 1,137.38/x
  3. Step 3: Cross multiply
    2,068.88x = 2,855.07 × 1,137.38
  4. Step 4: Simplify right side
    2,068.88x = 3,247,285.24
  5. Step 5: Solve for x
    x = 3,247,285.24/2,068.88
  6. Step 6: Final answer
    x = 1,569.59

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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.