Home / 2,165.52-3,246.58-931.92

Finding the Fourth Proportional to 2,165.52, 3,246.58 and 931.92

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Solution

The fourth proportional to 2,165.52, 3,246.58 and 931.92 is: 1,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.52 : 3,246.58 = 931.92 : x
  2. Step 2: Convert to fraction form
    2,165.52/3,246.58 = 931.92/x
  3. Step 3: Cross multiply
    2,165.52x = 3,246.58 × 931.92
  4. Step 4: Simplify right side
    2,165.52x = 3,025,552.83
  5. Step 5: Solve for x
    x = 3,025,552.83/2,165.52
  6. Step 6: Final answer
    x = 1,397.15

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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.