Home / 1,634.61-2,451.85-401.96

Finding the Fourth Proportional to 1,634.61, 2,451.85 and 401.96

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Solution

The fourth proportional to 1,634.61, 2,451.85 and 401.96 is: 602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.61 : 2,451.85 = 401.96 : x
  2. Step 2: Convert to fraction form
    1,634.61/2,451.85 = 401.96/x
  3. Step 3: Cross multiply
    1,634.61x = 2,451.85 × 401.96
  4. Step 4: Simplify right side
    1,634.61x = 985,545.63
  5. Step 5: Solve for x
    x = 985,545.63/1,634.61
  6. Step 6: Final answer
    x = 602.92

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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.