Home / 3,537.81-5,306.72-1,591.65

Finding the Fourth Proportional to 3,537.81, 5,306.72 and 1,591.65

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Solution

The fourth proportional to 3,537.81, 5,306.72 and 1,591.65 is: 2,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.81 : 5,306.72 = 1,591.65 : x
  2. Step 2: Convert to fraction form
    3,537.81/5,306.72 = 1,591.65/x
  3. Step 3: Cross multiply
    3,537.81x = 5,306.72 × 1,591.65
  4. Step 4: Simplify right side
    3,537.81x = 8,446,432.93
  5. Step 5: Solve for x
    x = 8,446,432.93/3,537.81
  6. Step 6: Final answer
    x = 2,387.48

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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.