Home / 3,423.48-5,125.50-2,187.83

Finding the Fourth Proportional to 3,423.48, 5,125.50 and 2,187.83

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Solution

The fourth proportional to 3,423.48, 5,125.50 and 2,187.83 is: 3,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.48 : 5,125.50 = 2,187.83 : x
  2. Step 2: Convert to fraction form
    3,423.48/5,125.50 = 2,187.83/x
  3. Step 3: Cross multiply
    3,423.48x = 5,125.50 × 2,187.83
  4. Step 4: Simplify right side
    3,423.48x = 11,213,697.04
  5. Step 5: Solve for x
    x = 11,213,697.04/3,423.48
  6. Step 6: Final answer
    x = 3,275.53

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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.