Home / 3,306.92-4,562.79-1,980.86

Finding the Fourth Proportional to 3,306.92, 4,562.79 and 1,980.86

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Solution

The fourth proportional to 3,306.92, 4,562.79 and 1,980.86 is: 2,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.92 : 4,562.79 = 1,980.86 : x
  2. Step 2: Convert to fraction form
    3,306.92/4,562.79 = 1,980.86/x
  3. Step 3: Cross multiply
    3,306.92x = 4,562.79 × 1,980.86
  4. Step 4: Simplify right side
    3,306.92x = 9,038,248.20
  5. Step 5: Solve for x
    x = 9,038,248.20/3,306.92
  6. Step 6: Final answer
    x = 2,733.13

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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.