Home / 3,565.67-4,921.26-2,149.61

Finding the Fourth Proportional to 3,565.67, 4,921.26 and 2,149.61

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Solution

The fourth proportional to 3,565.67, 4,921.26 and 2,149.61 is: 2,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.67 : 4,921.26 = 2,149.61 : x
  2. Step 2: Convert to fraction form
    3,565.67/4,921.26 = 2,149.61/x
  3. Step 3: Cross multiply
    3,565.67x = 4,921.26 × 2,149.61
  4. Step 4: Simplify right side
    3,565.67x = 10,578,789.71
  5. Step 5: Solve for x
    x = 10,578,789.71/3,565.67
  6. Step 6: Final answer
    x = 2,966.84

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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.