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Finding the Fourth Proportional to 3,124.37, 4,687.37 and 1,480.88

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Solution

The fourth proportional to 3,124.37, 4,687.37 and 1,480.88 is: 2,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.37 : 4,687.37 = 1,480.88 : x
  2. Step 2: Convert to fraction form
    3,124.37/4,687.37 = 1,480.88/x
  3. Step 3: Cross multiply
    3,124.37x = 4,687.37 × 1,480.88
  4. Step 4: Simplify right side
    3,124.37x = 6,941,401.64
  5. Step 5: Solve for x
    x = 6,941,401.64/3,124.37
  6. Step 6: Final answer
    x = 2,221.70

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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.