Home / 3,417.96-5,126.94-2,691.40

Finding the Fourth Proportional to 3,417.96, 5,126.94 and 2,691.40

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Solution

The fourth proportional to 3,417.96, 5,126.94 and 2,691.40 is: 4,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.96 : 5,126.94 = 2,691.40 : x
  2. Step 2: Convert to fraction form
    3,417.96/5,126.94 = 2,691.40/x
  3. Step 3: Cross multiply
    3,417.96x = 5,126.94 × 2,691.40
  4. Step 4: Simplify right side
    3,417.96x = 13,798,646.32
  5. Step 5: Solve for x
    x = 13,798,646.32/3,417.96
  6. Step 6: Final answer
    x = 4,037.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.