Home / 2,358.85-3,255.18-1,296.66

Finding the Fourth Proportional to 2,358.85, 3,255.18 and 1,296.66

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Solution

The fourth proportional to 2,358.85, 3,255.18 and 1,296.66 is: 1,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.85 : 3,255.18 = 1,296.66 : x
  2. Step 2: Convert to fraction form
    2,358.85/3,255.18 = 1,296.66/x
  3. Step 3: Cross multiply
    2,358.85x = 3,255.18 × 1,296.66
  4. Step 4: Simplify right side
    2,358.85x = 4,220,861.70
  5. Step 5: Solve for x
    x = 4,220,861.70/2,358.85
  6. Step 6: Final answer
    x = 1,789.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.