Home / 2,310.76-3,192.92-2,015.52

Finding the Fourth Proportional to 2,310.76, 3,192.92 and 2,015.52

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Solution

The fourth proportional to 2,310.76, 3,192.92 and 2,015.52 is: 2,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.76 : 3,192.92 = 2,015.52 : x
  2. Step 2: Convert to fraction form
    2,310.76/3,192.92 = 2,015.52/x
  3. Step 3: Cross multiply
    2,310.76x = 3,192.92 × 2,015.52
  4. Step 4: Simplify right side
    2,310.76x = 6,435,394.12
  5. Step 5: Solve for x
    x = 6,435,394.12/2,310.76
  6. Step 6: Final answer
    x = 2,784.97

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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.