Home / 3,565.42-4,920.92-2,149.36

Finding the Fourth Proportional to 3,565.42, 4,920.92 and 2,149.36

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Solution

The fourth proportional to 3,565.42, 4,920.92 and 2,149.36 is: 2,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.42 : 4,920.92 = 2,149.36 : x
  2. Step 2: Convert to fraction form
    3,565.42/4,920.92 = 2,149.36/x
  3. Step 3: Cross multiply
    3,565.42x = 4,920.92 × 2,149.36
  4. Step 4: Simplify right side
    3,565.42x = 10,576,817.86
  5. Step 5: Solve for x
    x = 10,576,817.86/3,565.42
  6. Step 6: Final answer
    x = 2,966.50

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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.