Home / 2,358.78-3,247.71-2,003.96

Finding the Fourth Proportional to 2,358.78, 3,247.71 and 2,003.96

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Solution

The fourth proportional to 2,358.78, 3,247.71 and 2,003.96 is: 2,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.78 : 3,247.71 = 2,003.96 : x
  2. Step 2: Convert to fraction form
    2,358.78/3,247.71 = 2,003.96/x
  3. Step 3: Cross multiply
    2,358.78x = 3,247.71 × 2,003.96
  4. Step 4: Simplify right side
    2,358.78x = 6,508,280.93
  5. Step 5: Solve for x
    x = 6,508,280.93/2,358.78
  6. Step 6: Final answer
    x = 2,759.17

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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.