Home / 3,943.74-5,441.76-2,349.90

Finding the Fourth Proportional to 3,943.74, 5,441.76 and 2,349.90

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Solution

The fourth proportional to 3,943.74, 5,441.76 and 2,349.90 is: 3,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.74 : 5,441.76 = 2,349.90 : x
  2. Step 2: Convert to fraction form
    3,943.74/5,441.76 = 2,349.90/x
  3. Step 3: Cross multiply
    3,943.74x = 5,441.76 × 2,349.90
  4. Step 4: Simplify right side
    3,943.74x = 12,787,591.82
  5. Step 5: Solve for x
    x = 12,787,591.82/3,943.74
  6. Step 6: Final answer
    x = 3,242.50

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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.