Home / 3,624.10-5,436.16-1,543.71

Finding the Fourth Proportional to 3,624.10, 5,436.16 and 1,543.71

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Solution

The fourth proportional to 3,624.10, 5,436.16 and 1,543.71 is: 2,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.10 : 5,436.16 = 1,543.71 : x
  2. Step 2: Convert to fraction form
    3,624.10/5,436.16 = 1,543.71/x
  3. Step 3: Cross multiply
    3,624.10x = 5,436.16 × 1,543.71
  4. Step 4: Simplify right side
    3,624.10x = 8,391,854.55
  5. Step 5: Solve for x
    x = 8,391,854.55/3,624.10
  6. Step 6: Final answer
    x = 2,315.57

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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.