Home / 3,097.28-4,275.52-2,309.96

Finding the Fourth Proportional to 3,097.28, 4,275.52 and 2,309.96

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Solution

The fourth proportional to 3,097.28, 4,275.52 and 2,309.96 is: 3,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.28 : 4,275.52 = 2,309.96 : x
  2. Step 2: Convert to fraction form
    3,097.28/4,275.52 = 2,309.96/x
  3. Step 3: Cross multiply
    3,097.28x = 4,275.52 × 2,309.96
  4. Step 4: Simplify right side
    3,097.28x = 9,876,280.18
  5. Step 5: Solve for x
    x = 9,876,280.18/3,097.28
  6. Step 6: Final answer
    x = 3,188.69

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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.