Home / 3,624.28-5,436.29-1,543.23

Finding the Fourth Proportional to 3,624.28, 5,436.29 and 1,543.23

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Solution

The fourth proportional to 3,624.28, 5,436.29 and 1,543.23 is: 2,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.28 : 5,436.29 = 1,543.23 : x
  2. Step 2: Convert to fraction form
    3,624.28/5,436.29 = 1,543.23/x
  3. Step 3: Cross multiply
    3,624.28x = 5,436.29 × 1,543.23
  4. Step 4: Simplify right side
    3,624.28x = 8,389,449.67
  5. Step 5: Solve for x
    x = 8,389,449.67/3,624.28
  6. Step 6: Final answer
    x = 2,314.79

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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.