Home / 2,131.56-3,192.48-2,095.92

Finding the Fourth Proportional to 2,131.56, 3,192.48 and 2,095.92

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Solution

The fourth proportional to 2,131.56, 3,192.48 and 2,095.92 is: 3,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.56 : 3,192.48 = 2,095.92 : x
  2. Step 2: Convert to fraction form
    2,131.56/3,192.48 = 2,095.92/x
  3. Step 3: Cross multiply
    2,131.56x = 3,192.48 × 2,095.92
  4. Step 4: Simplify right side
    2,131.56x = 6,691,182.68
  5. Step 5: Solve for x
    x = 6,691,182.68/2,131.56
  6. Step 6: Final answer
    x = 3,139.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.