Home / 1,635.08-2,452.55-402.48

Finding the Fourth Proportional to 1,635.08, 2,452.55 and 402.48

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Solution

The fourth proportional to 1,635.08, 2,452.55 and 402.48 is: 603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.08 : 2,452.55 = 402.48 : x
  2. Step 2: Convert to fraction form
    1,635.08/2,452.55 = 402.48/x
  3. Step 3: Cross multiply
    1,635.08x = 2,452.55 × 402.48
  4. Step 4: Simplify right side
    1,635.08x = 987,100.31
  5. Step 5: Solve for x
    x = 987,100.31/1,635.08
  6. Step 6: Final answer
    x = 603.70

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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.