Home / 2,861.85-4,291.38-1,301.79

Finding the Fourth Proportional to 2,861.85, 4,291.38 and 1,301.79

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Solution

The fourth proportional to 2,861.85, 4,291.38 and 1,301.79 is: 1,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.85 : 4,291.38 = 1,301.79 : x
  2. Step 2: Convert to fraction form
    2,861.85/4,291.38 = 1,301.79/x
  3. Step 3: Cross multiply
    2,861.85x = 4,291.38 × 1,301.79
  4. Step 4: Simplify right side
    2,861.85x = 5,586,475.57
  5. Step 5: Solve for x
    x = 5,586,475.57/2,861.85
  6. Step 6: Final answer
    x = 1,952.05

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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.