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Finding the Fourth Proportional to 2,523.92, 3,483 and 1,404.92

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Solution

The fourth proportional to 2,523.92, 3,483 and 1,404.92 is: 1,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.92 : 3,483 = 1,404.92 : x
  2. Step 2: Convert to fraction form
    2,523.92/3,483 = 1,404.92/x
  3. Step 3: Cross multiply
    2,523.92x = 3,483 × 1,404.92
  4. Step 4: Simplify right side
    2,523.92x = 4,893,336.36
  5. Step 5: Solve for x
    x = 4,893,336.36/2,523.92
  6. Step 6: Final answer
    x = 1,938.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.