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Finding the Fourth Proportional to 2,871.72, 4,304.50 and 1,484.68

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Solution

The fourth proportional to 2,871.72, 4,304.50 and 1,484.68 is: 2,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.72 : 4,304.50 = 1,484.68 : x
  2. Step 2: Convert to fraction form
    2,871.72/4,304.50 = 1,484.68/x
  3. Step 3: Cross multiply
    2,871.72x = 4,304.50 × 1,484.68
  4. Step 4: Simplify right side
    2,871.72x = 6,390,805.06
  5. Step 5: Solve for x
    x = 6,390,805.06/2,871.72
  6. Step 6: Final answer
    x = 2,225.43

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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.