Home / 2,488.86-3,434.40-2,310.12

Finding the Fourth Proportional to 2,488.86, 3,434.40 and 2,310.12

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Solution

The fourth proportional to 2,488.86, 3,434.40 and 2,310.12 is: 3,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.86 : 3,434.40 = 2,310.12 : x
  2. Step 2: Convert to fraction form
    2,488.86/3,434.40 = 2,310.12/x
  3. Step 3: Cross multiply
    2,488.86x = 3,434.40 × 2,310.12
  4. Step 4: Simplify right side
    2,488.86x = 7,933,876.13
  5. Step 5: Solve for x
    x = 7,933,876.13/2,488.86
  6. Step 6: Final answer
    x = 3,187.76

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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.