Home / 2,358.89-3,255.30-1,296.71

Finding the Fourth Proportional to 2,358.89, 3,255.30 and 1,296.71

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Solution

The fourth proportional to 2,358.89, 3,255.30 and 1,296.71 is: 1,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.89 : 3,255.30 = 1,296.71 : x
  2. Step 2: Convert to fraction form
    2,358.89/3,255.30 = 1,296.71/x
  3. Step 3: Cross multiply
    2,358.89x = 3,255.30 × 1,296.71
  4. Step 4: Simplify right side
    2,358.89x = 4,221,180.06
  5. Step 5: Solve for x
    x = 4,221,180.06/2,358.89
  6. Step 6: Final answer
    x = 1,789.48

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1.5x scale

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.