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Finding the Fourth Proportional to 1,350.10, 1,862.98 and 752.46

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Solution

The fourth proportional to 1,350.10, 1,862.98 and 752.46 is: 1,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.10 : 1,862.98 = 752.46 : x
  2. Step 2: Convert to fraction form
    1,350.10/1,862.98 = 752.46/x
  3. Step 3: Cross multiply
    1,350.10x = 1,862.98 × 752.46
  4. Step 4: Simplify right side
    1,350.10x = 1,401,817.93
  5. Step 5: Solve for x
    x = 1,401,817.93/1,350.10
  6. Step 6: Final answer
    x = 1,038.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.