Home / 3,001.62-4,142.61-1,822.38

Finding the Fourth Proportional to 3,001.62, 4,142.61 and 1,822.38

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Solution

The fourth proportional to 3,001.62, 4,142.61 and 1,822.38 is: 2,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.62 : 4,142.61 = 1,822.38 : x
  2. Step 2: Convert to fraction form
    3,001.62/4,142.61 = 1,822.38/x
  3. Step 3: Cross multiply
    3,001.62x = 4,142.61 × 1,822.38
  4. Step 4: Simplify right side
    3,001.62x = 7,549,409.61
  5. Step 5: Solve for x
    x = 7,549,409.61/3,001.62
  6. Step 6: Final answer
    x = 2,515.11

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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.