Home / 3,741.20-5,615.90-1,551.47

Finding the Fourth Proportional to 3,741.20, 5,615.90 and 1,551.47

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Solution

The fourth proportional to 3,741.20, 5,615.90 and 1,551.47 is: 2,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.20 : 5,615.90 = 1,551.47 : x
  2. Step 2: Convert to fraction form
    3,741.20/5,615.90 = 1,551.47/x
  3. Step 3: Cross multiply
    3,741.20x = 5,615.90 × 1,551.47
  4. Step 4: Simplify right side
    3,741.20x = 8,712,876.17
  5. Step 5: Solve for x
    x = 8,712,876.17/3,741.20
  6. Step 6: Final answer
    x = 2,328.90

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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.