Home / 1,422.20-2,133.30-600.26

Finding the Fourth Proportional to 1,422.20, 2,133.30 and 600.26

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Solution

The fourth proportional to 1,422.20, 2,133.30 and 600.26 is: 900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422.20 : 2,133.30 = 600.26 : x
  2. Step 2: Convert to fraction form
    1,422.20/2,133.30 = 600.26/x
  3. Step 3: Cross multiply
    1,422.20x = 2,133.30 × 600.26
  4. Step 4: Simplify right side
    1,422.20x = 1,280,534.66
  5. Step 5: Solve for x
    x = 1,280,534.66/1,422.20
  6. Step 6: Final answer
    x = 900.39

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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.