Home / 3,409.17-5,116.49-1,330.13

Finding the Fourth Proportional to 3,409.17, 5,116.49 and 1,330.13

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Solution

The fourth proportional to 3,409.17, 5,116.49 and 1,330.13 is: 1,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.17 : 5,116.49 = 1,330.13 : x
  2. Step 2: Convert to fraction form
    3,409.17/5,116.49 = 1,330.13/x
  3. Step 3: Cross multiply
    3,409.17x = 5,116.49 × 1,330.13
  4. Step 4: Simplify right side
    3,409.17x = 6,805,564.61
  5. Step 5: Solve for x
    x = 6,805,564.61/3,409.17
  6. Step 6: Final answer
    x = 1,996.25

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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.