Home / 3,145.16-4,713.06-2,316.80

Finding the Fourth Proportional to 3,145.16, 4,713.06 and 2,316.80

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Solution

The fourth proportional to 3,145.16, 4,713.06 and 2,316.80 is: 3,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.16 : 4,713.06 = 2,316.80 : x
  2. Step 2: Convert to fraction form
    3,145.16/4,713.06 = 2,316.80/x
  3. Step 3: Cross multiply
    3,145.16x = 4,713.06 × 2,316.80
  4. Step 4: Simplify right side
    3,145.16x = 10,919,217.41
  5. Step 5: Solve for x
    x = 10,919,217.41/3,145.16
  6. Step 6: Final answer
    x = 3,471.75

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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.