Home / 3,381.08-5,071.95-2,649.38

Finding the Fourth Proportional to 3,381.08, 5,071.95 and 2,649.38

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Solution

The fourth proportional to 3,381.08, 5,071.95 and 2,649.38 is: 3,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.08 : 5,071.95 = 2,649.38 : x
  2. Step 2: Convert to fraction form
    3,381.08/5,071.95 = 2,649.38/x
  3. Step 3: Cross multiply
    3,381.08x = 5,071.95 × 2,649.38
  4. Step 4: Simplify right side
    3,381.08x = 13,437,497.53
  5. Step 5: Solve for x
    x = 13,437,497.53/3,381.08
  6. Step 6: Final answer
    x = 3,974.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.