Home / 3,145.11-4,713.19-2,316.87

Finding the Fourth Proportional to 3,145.11, 4,713.19 and 2,316.87

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Solution

The fourth proportional to 3,145.11, 4,713.19 and 2,316.87 is: 3,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.11 : 4,713.19 = 2,316.87 : x
  2. Step 2: Convert to fraction form
    3,145.11/4,713.19 = 2,316.87/x
  3. Step 3: Cross multiply
    3,145.11x = 4,713.19 × 2,316.87
  4. Step 4: Simplify right side
    3,145.11x = 10,919,848.52
  5. Step 5: Solve for x
    x = 10,919,848.52/3,145.11
  6. Step 6: Final answer
    x = 3,472.01

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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.