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Finding the Fourth Proportional to 1,824.72, 2,737.07 and 1,412.60

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Solution

The fourth proportional to 1,824.72, 2,737.07 and 1,412.60 is: 2,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.72 : 2,737.07 = 1,412.60 : x
  2. Step 2: Convert to fraction form
    1,824.72/2,737.07 = 1,412.60/x
  3. Step 3: Cross multiply
    1,824.72x = 2,737.07 × 1,412.60
  4. Step 4: Simplify right side
    1,824.72x = 3,866,385.08
  5. Step 5: Solve for x
    x = 3,866,385.08/1,824.72
  6. Step 6: Final answer
    x = 2,118.89

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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.