Home / 1,622.82-2,432.16-697.27

Finding the Fourth Proportional to 1,622.82, 2,432.16 and 697.27

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Solution

The fourth proportional to 1,622.82, 2,432.16 and 697.27 is: 1,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.82 : 2,432.16 = 697.27 : x
  2. Step 2: Convert to fraction form
    1,622.82/2,432.16 = 697.27/x
  3. Step 3: Cross multiply
    1,622.82x = 2,432.16 × 697.27
  4. Step 4: Simplify right side
    1,622.82x = 1,695,872.20
  5. Step 5: Solve for x
    x = 1,695,872.20/1,622.82
  6. Step 6: Final answer
    x = 1,045.02

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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.