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Finding the Fourth Proportional to 1,675.54, 2,510.88 and 1,502.20

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Solution

The fourth proportional to 1,675.54, 2,510.88 and 1,502.20 is: 2,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.54 : 2,510.88 = 1,502.20 : x
  2. Step 2: Convert to fraction form
    1,675.54/2,510.88 = 1,502.20/x
  3. Step 3: Cross multiply
    1,675.54x = 2,510.88 × 1,502.20
  4. Step 4: Simplify right side
    1,675.54x = 3,771,843.94
  5. Step 5: Solve for x
    x = 3,771,843.94/1,675.54
  6. Step 6: Final answer
    x = 2,251.12

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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.