Home / 1,634.11-2,451.10-401.46

Finding the Fourth Proportional to 1,634.11, 2,451.10 and 401.46

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Solution

The fourth proportional to 1,634.11, 2,451.10 and 401.46 is: 602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.11 : 2,451.10 = 401.46 : x
  2. Step 2: Convert to fraction form
    1,634.11/2,451.10 = 401.46/x
  3. Step 3: Cross multiply
    1,634.11x = 2,451.10 × 401.46
  4. Step 4: Simplify right side
    1,634.11x = 984,018.61
  5. Step 5: Solve for x
    x = 984,018.61/1,634.11
  6. Step 6: Final answer
    x = 602.17

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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.