Home / 3,097.32-4,275.96-2,387.61

Finding the Fourth Proportional to 3,097.32, 4,275.96 and 2,387.61

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Solution

The fourth proportional to 3,097.32, 4,275.96 and 2,387.61 is: 3,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.32 : 4,275.96 = 2,387.61 : x
  2. Step 2: Convert to fraction form
    3,097.32/4,275.96 = 2,387.61/x
  3. Step 3: Cross multiply
    3,097.32x = 4,275.96 × 2,387.61
  4. Step 4: Simplify right side
    3,097.32x = 10,209,324.86
  5. Step 5: Solve for x
    x = 10,209,324.86/3,097.32
  6. Step 6: Final answer
    x = 3,296.18

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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.