Home / 1,622.48-2,432.44-1,447.12

Finding the Fourth Proportional to 1,622.48, 2,432.44 and 1,447.12

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Solution

The fourth proportional to 1,622.48, 2,432.44 and 1,447.12 is: 2,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.48 : 2,432.44 = 1,447.12 : x
  2. Step 2: Convert to fraction form
    1,622.48/2,432.44 = 1,447.12/x
  3. Step 3: Cross multiply
    1,622.48x = 2,432.44 × 1,447.12
  4. Step 4: Simplify right side
    1,622.48x = 3,520,032.57
  5. Step 5: Solve for x
    x = 3,520,032.57/1,622.48
  6. Step 6: Final answer
    x = 2,169.54

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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.