Home / 3,161.43-4,366.28-2,461.75

Finding the Fourth Proportional to 3,161.43, 4,366.28 and 2,461.75

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Solution

The fourth proportional to 3,161.43, 4,366.28 and 2,461.75 is: 3,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.43 : 4,366.28 = 2,461.75 : x
  2. Step 2: Convert to fraction form
    3,161.43/4,366.28 = 2,461.75/x
  3. Step 3: Cross multiply
    3,161.43x = 4,366.28 × 2,461.75
  4. Step 4: Simplify right side
    3,161.43x = 10,748,685.03
  5. Step 5: Solve for x
    x = 10,748,685.03/3,161.43
  6. Step 6: Final answer
    x = 3,399.94

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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.