Home / 2,124.70-2,932.08-1,193.20

Finding the Fourth Proportional to 2,124.70, 2,932.08 and 1,193.20

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Solution

The fourth proportional to 2,124.70, 2,932.08 and 1,193.20 is: 1,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.70 : 2,932.08 = 1,193.20 : x
  2. Step 2: Convert to fraction form
    2,124.70/2,932.08 = 1,193.20/x
  3. Step 3: Cross multiply
    2,124.70x = 2,932.08 × 1,193.20
  4. Step 4: Simplify right side
    2,124.70x = 3,498,557.86
  5. Step 5: Solve for x
    x = 3,498,557.86/2,124.70
  6. Step 6: Final answer
    x = 1,646.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.