Home / 3,582.28-5,374.96-1,940

Finding the Fourth Proportional to 3,582.28, 5,374.96 and 1,940

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Solution

The fourth proportional to 3,582.28, 5,374.96 and 1,940 is: 2,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.28 : 5,374.96 = 1,940 : x
  2. Step 2: Convert to fraction form
    3,582.28/5,374.96 = 1,940/x
  3. Step 3: Cross multiply
    3,582.28x = 5,374.96 × 1,940
  4. Step 4: Simplify right side
    3,582.28x = 10,427,422.40
  5. Step 5: Solve for x
    x = 10,427,422.40/3,582.28
  6. Step 6: Final answer
    x = 2,910.83

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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.