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Finding the Fourth Proportional to 2,348.48, 3,523.12 and 887.84

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Solution

The fourth proportional to 2,348.48, 3,523.12 and 887.84 is: 1,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.48 : 3,523.12 = 887.84 : x
  2. Step 2: Convert to fraction form
    2,348.48/3,523.12 = 887.84/x
  3. Step 3: Cross multiply
    2,348.48x = 3,523.12 × 887.84
  4. Step 4: Simplify right side
    2,348.48x = 3,127,966.86
  5. Step 5: Solve for x
    x = 3,127,966.86/2,348.48
  6. Step 6: Final answer
    x = 1,331.91

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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.