Home / 3,386.25-5,081.38-1,537.34

Finding the Fourth Proportional to 3,386.25, 5,081.38 and 1,537.34

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Solution

The fourth proportional to 3,386.25, 5,081.38 and 1,537.34 is: 2,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.25 : 5,081.38 = 1,537.34 : x
  2. Step 2: Convert to fraction form
    3,386.25/5,081.38 = 1,537.34/x
  3. Step 3: Cross multiply
    3,386.25x = 5,081.38 × 1,537.34
  4. Step 4: Simplify right side
    3,386.25x = 7,811,808.73
  5. Step 5: Solve for x
    x = 7,811,808.73/3,386.25
  6. Step 6: Final answer
    x = 2,306.92

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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.