Home / 3,190.50-4,402.55-1,864.04

Finding the Fourth Proportional to 3,190.50, 4,402.55 and 1,864.04

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Solution

The fourth proportional to 3,190.50, 4,402.55 and 1,864.04 is: 2,572.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.50 : 4,402.55 = 1,864.04 : x
  2. Step 2: Convert to fraction form
    3,190.50/4,402.55 = 1,864.04/x
  3. Step 3: Cross multiply
    3,190.50x = 4,402.55 × 1,864.04
  4. Step 4: Simplify right side
    3,190.50x = 8,206,497.97
  5. Step 5: Solve for x
    x = 8,206,497.97/3,190.50
  6. Step 6: Final answer
    x = 2,572.17

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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.