Home / 3,918.24-5,842.80-3,373.92

Finding the Fourth Proportional to 3,918.24, 5,842.80 and 3,373.92

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Solution

The fourth proportional to 3,918.24, 5,842.80 and 3,373.92 is: 5,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.24 : 5,842.80 = 3,373.92 : x
  2. Step 2: Convert to fraction form
    3,918.24/5,842.80 = 3,373.92/x
  3. Step 3: Cross multiply
    3,918.24x = 5,842.80 × 3,373.92
  4. Step 4: Simplify right side
    3,918.24x = 19,713,139.78
  5. Step 5: Solve for x
    x = 19,713,139.78/3,918.24
  6. Step 6: Final answer
    x = 5,031.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.