Home / 2,691.17-3,705.77-2,495.15

Finding the Fourth Proportional to 2,691.17, 3,705.77 and 2,495.15

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Solution

The fourth proportional to 2,691.17, 3,705.77 and 2,495.15 is: 3,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.17 : 3,705.77 = 2,495.15 : x
  2. Step 2: Convert to fraction form
    2,691.17/3,705.77 = 2,495.15/x
  3. Step 3: Cross multiply
    2,691.17x = 3,705.77 × 2,495.15
  4. Step 4: Simplify right side
    2,691.17x = 9,246,439.72
  5. Step 5: Solve for x
    x = 9,246,439.72/2,691.17
  6. Step 6: Final answer
    x = 3,435.85

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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.