Home / 2,358.74-3,255.05-1,310.79

Finding the Fourth Proportional to 2,358.74, 3,255.05 and 1,310.79

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Solution

The fourth proportional to 2,358.74, 3,255.05 and 1,310.79 is: 1,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.74 : 3,255.05 = 1,310.79 : x
  2. Step 2: Convert to fraction form
    2,358.74/3,255.05 = 1,310.79/x
  3. Step 3: Cross multiply
    2,358.74x = 3,255.05 × 1,310.79
  4. Step 4: Simplify right side
    2,358.74x = 4,266,680.44
  5. Step 5: Solve for x
    x = 4,266,680.44/2,358.74
  6. Step 6: Final answer
    x = 1,808.89

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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.