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Finding the Fourth Proportional to 3,770.76, 5,200.02 and 2,930.25

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Solution

The fourth proportional to 3,770.76, 5,200.02 and 2,930.25 is: 4,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.76 : 5,200.02 = 2,930.25 : x
  2. Step 2: Convert to fraction form
    3,770.76/5,200.02 = 2,930.25/x
  3. Step 3: Cross multiply
    3,770.76x = 5,200.02 × 2,930.25
  4. Step 4: Simplify right side
    3,770.76x = 15,237,358.61
  5. Step 5: Solve for x
    x = 15,237,358.61/3,770.76
  6. Step 6: Final answer
    x = 4,040.93

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1.5x scale

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.