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Finding the Fourth Proportional to 2,652.18, 3,978.27 and 1,008.34

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Solution

The fourth proportional to 2,652.18, 3,978.27 and 1,008.34 is: 1,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.18 : 3,978.27 = 1,008.34 : x
  2. Step 2: Convert to fraction form
    2,652.18/3,978.27 = 1,008.34/x
  3. Step 3: Cross multiply
    2,652.18x = 3,978.27 × 1,008.34
  4. Step 4: Simplify right side
    2,652.18x = 4,011,448.77
  5. Step 5: Solve for x
    x = 4,011,448.77/2,652.18
  6. Step 6: Final answer
    x = 1,512.51

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Similar ratio
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1.5x scale

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.