Home / 3,681.26-5,520.05-1,572.56

Finding the Fourth Proportional to 3,681.26, 5,520.05 and 1,572.56

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Solution

The fourth proportional to 3,681.26, 5,520.05 and 1,572.56 is: 2,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.26 : 5,520.05 = 1,572.56 : x
  2. Step 2: Convert to fraction form
    3,681.26/5,520.05 = 1,572.56/x
  3. Step 3: Cross multiply
    3,681.26x = 5,520.05 × 1,572.56
  4. Step 4: Simplify right side
    3,681.26x = 8,680,600.96
  5. Step 5: Solve for x
    x = 8,680,600.96/3,681.26
  6. Step 6: Final answer
    x = 2,358.05

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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.