Home / 3,089.38-4,628.68-2,572.71

Finding the Fourth Proportional to 3,089.38, 4,628.68 and 2,572.71

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Solution

The fourth proportional to 3,089.38, 4,628.68 and 2,572.71 is: 3,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.38 : 4,628.68 = 2,572.71 : x
  2. Step 2: Convert to fraction form
    3,089.38/4,628.68 = 2,572.71/x
  3. Step 3: Cross multiply
    3,089.38x = 4,628.68 × 2,572.71
  4. Step 4: Simplify right side
    3,089.38x = 11,908,251.32
  5. Step 5: Solve for x
    x = 11,908,251.32/3,089.38
  6. Step 6: Final answer
    x = 3,854.58

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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.