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Finding the Fourth Proportional to 3,045.01, 4,202.13 and 1,647.76

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Solution

The fourth proportional to 3,045.01, 4,202.13 and 1,647.76 is: 2,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.01 : 4,202.13 = 1,647.76 : x
  2. Step 2: Convert to fraction form
    3,045.01/4,202.13 = 1,647.76/x
  3. Step 3: Cross multiply
    3,045.01x = 4,202.13 × 1,647.76
  4. Step 4: Simplify right side
    3,045.01x = 6,924,101.73
  5. Step 5: Solve for x
    x = 6,924,101.73/3,045.01
  6. Step 6: Final answer
    x = 2,273.92

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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.