Home / 1,622.19-2,432.48-801.39

Finding the Fourth Proportional to 1,622.19, 2,432.48 and 801.39

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Solution

The fourth proportional to 1,622.19, 2,432.48 and 801.39 is: 1,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.19 : 2,432.48 = 801.39 : x
  2. Step 2: Convert to fraction form
    1,622.19/2,432.48 = 801.39/x
  3. Step 3: Cross multiply
    1,622.19x = 2,432.48 × 801.39
  4. Step 4: Simplify right side
    1,622.19x = 1,949,361.14
  5. Step 5: Solve for x
    x = 1,949,361.14/1,622.19
  6. Step 6: Final answer
    x = 1,201.68

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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.