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Finding the Fourth Proportional to 1,750.03, 2,625.05 and 1,200.55

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Solution

The fourth proportional to 1,750.03, 2,625.05 and 1,200.55 is: 1,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.03 : 2,625.05 = 1,200.55 : x
  2. Step 2: Convert to fraction form
    1,750.03/2,625.05 = 1,200.55/x
  3. Step 3: Cross multiply
    1,750.03x = 2,625.05 × 1,200.55
  4. Step 4: Simplify right side
    1,750.03x = 3,151,494.38
  5. Step 5: Solve for x
    x = 3,151,494.38/1,750.03
  6. Step 6: Final answer
    x = 1,800.82

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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.