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Finding the Fourth Proportional to 1,750.62, 2,625.20 and 959.80

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Solution

The fourth proportional to 1,750.62, 2,625.20 and 959.80 is: 1,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.62 : 2,625.20 = 959.80 : x
  2. Step 2: Convert to fraction form
    1,750.62/2,625.20 = 959.80/x
  3. Step 3: Cross multiply
    1,750.62x = 2,625.20 × 959.80
  4. Step 4: Simplify right side
    1,750.62x = 2,519,666.96
  5. Step 5: Solve for x
    x = 2,519,666.96/1,750.62
  6. Step 6: Final answer
    x = 1,439.30

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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.