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Finding the Fourth Proportional to 2,659.19, 3,984.18 and 2,427.71

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Solution

The fourth proportional to 2,659.19, 3,984.18 and 2,427.71 is: 3,637.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.19 : 3,984.18 = 2,427.71 : x
  2. Step 2: Convert to fraction form
    2,659.19/3,984.18 = 2,427.71/x
  3. Step 3: Cross multiply
    2,659.19x = 3,984.18 × 2,427.71
  4. Step 4: Simplify right side
    2,659.19x = 9,672,433.63
  5. Step 5: Solve for x
    x = 9,672,433.63/2,659.19
  6. Step 6: Final answer
    x = 3,637.36

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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.