Home / 2,325.92-3,471.80-2,131.11

Finding the Fourth Proportional to 2,325.92, 3,471.80 and 2,131.11

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Solution

The fourth proportional to 2,325.92, 3,471.80 and 2,131.11 is: 3,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.92 : 3,471.80 = 2,131.11 : x
  2. Step 2: Convert to fraction form
    2,325.92/3,471.80 = 2,131.11/x
  3. Step 3: Cross multiply
    2,325.92x = 3,471.80 × 2,131.11
  4. Step 4: Simplify right side
    2,325.92x = 7,398,777.04
  5. Step 5: Solve for x
    x = 7,398,777.04/2,325.92
  6. Step 6: Final answer
    x = 3,181.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.