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Finding the Fourth Proportional to 1,750.80, 2,622.82 and 1,336.88

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Solution

The fourth proportional to 1,750.80, 2,622.82 and 1,336.88 is: 2,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.80 : 2,622.82 = 1,336.88 : x
  2. Step 2: Convert to fraction form
    1,750.80/2,622.82 = 1,336.88/x
  3. Step 3: Cross multiply
    1,750.80x = 2,622.82 × 1,336.88
  4. Step 4: Simplify right side
    1,750.80x = 3,506,395.60
  5. Step 5: Solve for x
    x = 3,506,395.60/1,750.80
  6. Step 6: Final answer
    x = 2,002.74

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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.