Home / 2,487.50-3,732.56-1,102.20

Finding the Fourth Proportional to 2,487.50, 3,732.56 and 1,102.20

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Solution

The fourth proportional to 2,487.50, 3,732.56 and 1,102.20 is: 1,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.50 : 3,732.56 = 1,102.20 : x
  2. Step 2: Convert to fraction form
    2,487.50/3,732.56 = 1,102.20/x
  3. Step 3: Cross multiply
    2,487.50x = 3,732.56 × 1,102.20
  4. Step 4: Simplify right side
    2,487.50x = 4,114,027.63
  5. Step 5: Solve for x
    x = 4,114,027.63/2,487.50
  6. Step 6: Final answer
    x = 1,653.88

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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.