Home / 3,148.24-4,720.05-1,587.47

Finding the Fourth Proportional to 3,148.24, 4,720.05 and 1,587.47

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Solution

The fourth proportional to 3,148.24, 4,720.05 and 1,587.47 is: 2,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.24 : 4,720.05 = 1,587.47 : x
  2. Step 2: Convert to fraction form
    3,148.24/4,720.05 = 1,587.47/x
  3. Step 3: Cross multiply
    3,148.24x = 4,720.05 × 1,587.47
  4. Step 4: Simplify right side
    3,148.24x = 7,492,937.77
  5. Step 5: Solve for x
    x = 7,492,937.77/3,148.24
  6. Step 6: Final answer
    x = 2,380.04

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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.