Home / 2,092.80-3,139.20-632.37

Finding the Fourth Proportional to 2,092.80, 3,139.20 and 632.37

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Solution

The fourth proportional to 2,092.80, 3,139.20 and 632.37 is: 948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.80 : 3,139.20 = 632.37 : x
  2. Step 2: Convert to fraction form
    2,092.80/3,139.20 = 632.37/x
  3. Step 3: Cross multiply
    2,092.80x = 3,139.20 × 632.37
  4. Step 4: Simplify right side
    2,092.80x = 1,985,135.90
  5. Step 5: Solve for x
    x = 1,985,135.90/2,092.80
  6. Step 6: Final answer
    x = 948.56

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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.