Home / 2,505.43-3,458.80-2,339.79

Finding the Fourth Proportional to 2,505.43, 3,458.80 and 2,339.79

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Solution

The fourth proportional to 2,505.43, 3,458.80 and 2,339.79 is: 3,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.43 : 3,458.80 = 2,339.79 : x
  2. Step 2: Convert to fraction form
    2,505.43/3,458.80 = 2,339.79/x
  3. Step 3: Cross multiply
    2,505.43x = 3,458.80 × 2,339.79
  4. Step 4: Simplify right side
    2,505.43x = 8,092,865.65
  5. Step 5: Solve for x
    x = 8,092,865.65/2,505.43
  6. Step 6: Final answer
    x = 3,230.13

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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.