Home / 2,865.40-4,299.68-1,549.13

Finding the Fourth Proportional to 2,865.40, 4,299.68 and 1,549.13

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Solution

The fourth proportional to 2,865.40, 4,299.68 and 1,549.13 is: 2,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.40 : 4,299.68 = 1,549.13 : x
  2. Step 2: Convert to fraction form
    2,865.40/4,299.68 = 1,549.13/x
  3. Step 3: Cross multiply
    2,865.40x = 4,299.68 × 1,549.13
  4. Step 4: Simplify right side
    2,865.40x = 6,660,745.65
  5. Step 5: Solve for x
    x = 6,660,745.65/2,865.40
  6. Step 6: Final answer
    x = 2,324.55

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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.