Home / 2,422.02-3,633.45-1,902

Finding the Fourth Proportional to 2,422.02, 3,633.45 and 1,902

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Solution

The fourth proportional to 2,422.02, 3,633.45 and 1,902 is: 2,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.02 : 3,633.45 = 1,902 : x
  2. Step 2: Convert to fraction form
    2,422.02/3,633.45 = 1,902/x
  3. Step 3: Cross multiply
    2,422.02x = 3,633.45 × 1,902
  4. Step 4: Simplify right side
    2,422.02x = 6,910,821.90
  5. Step 5: Solve for x
    x = 6,910,821.90/2,422.02
  6. Step 6: Final answer
    x = 2,853.33

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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.