Home / 3,882.98-5,358.53-2,390.52

Finding the Fourth Proportional to 3,882.98, 5,358.53 and 2,390.52

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Solution

The fourth proportional to 3,882.98, 5,358.53 and 2,390.52 is: 3,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.98 : 5,358.53 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    3,882.98/5,358.53 = 2,390.52/x
  3. Step 3: Cross multiply
    3,882.98x = 5,358.53 × 2,390.52
  4. Step 4: Simplify right side
    3,882.98x = 12,809,661.18
  5. Step 5: Solve for x
    x = 12,809,661.18/3,882.98
  6. Step 6: Final answer
    x = 3,298.93

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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.