Home / 3,499.92-4,831.20-2,660.76

Finding the Fourth Proportional to 3,499.92, 4,831.20 and 2,660.76

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Solution

The fourth proportional to 3,499.92, 4,831.20 and 2,660.76 is: 3,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.92 : 4,831.20 = 2,660.76 : x
  2. Step 2: Convert to fraction form
    3,499.92/4,831.20 = 2,660.76/x
  3. Step 3: Cross multiply
    3,499.92x = 4,831.20 × 2,660.76
  4. Step 4: Simplify right side
    3,499.92x = 12,854,663.71
  5. Step 5: Solve for x
    x = 12,854,663.71/3,499.92
  6. Step 6: Final answer
    x = 3,672.85

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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.