Home / 3,386.67-5,080.29-1,306.59

Finding the Fourth Proportional to 3,386.67, 5,080.29 and 1,306.59

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Solution

The fourth proportional to 3,386.67, 5,080.29 and 1,306.59 is: 1,959.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.67 : 5,080.29 = 1,306.59 : x
  2. Step 2: Convert to fraction form
    3,386.67/5,080.29 = 1,306.59/x
  3. Step 3: Cross multiply
    3,386.67x = 5,080.29 × 1,306.59
  4. Step 4: Simplify right side
    3,386.67x = 6,637,856.11
  5. Step 5: Solve for x
    x = 6,637,856.11/3,386.67
  6. Step 6: Final answer
    x = 1,959.99

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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.