Home / 1,622.40-2,414.11-1,616.92

Finding the Fourth Proportional to 1,622.40, 2,414.11 and 1,616.92

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Solution

The fourth proportional to 1,622.40, 2,414.11 and 1,616.92 is: 2,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.40 : 2,414.11 = 1,616.92 : x
  2. Step 2: Convert to fraction form
    1,622.40/2,414.11 = 1,616.92/x
  3. Step 3: Cross multiply
    1,622.40x = 2,414.11 × 1,616.92
  4. Step 4: Simplify right side
    1,622.40x = 3,903,422.74
  5. Step 5: Solve for x
    x = 3,903,422.74/1,622.40
  6. Step 6: Final answer
    x = 2,405.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.