Home / 3,572.43-5,360.18-1,382.70

Finding the Fourth Proportional to 3,572.43, 5,360.18 and 1,382.70

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Solution

The fourth proportional to 3,572.43, 5,360.18 and 1,382.70 is: 2,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.43 : 5,360.18 = 1,382.70 : x
  2. Step 2: Convert to fraction form
    3,572.43/5,360.18 = 1,382.70/x
  3. Step 3: Cross multiply
    3,572.43x = 5,360.18 × 1,382.70
  4. Step 4: Simplify right side
    3,572.43x = 7,411,520.89
  5. Step 5: Solve for x
    x = 7,411,520.89/3,572.43
  6. Step 6: Final answer
    x = 2,074.64

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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.