Home / 3,411.80-4,711.50-3,227.72

Finding the Fourth Proportional to 3,411.80, 4,711.50 and 3,227.72

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Solution

The fourth proportional to 3,411.80, 4,711.50 and 3,227.72 is: 4,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.80 : 4,711.50 = 3,227.72 : x
  2. Step 2: Convert to fraction form
    3,411.80/4,711.50 = 3,227.72/x
  3. Step 3: Cross multiply
    3,411.80x = 4,711.50 × 3,227.72
  4. Step 4: Simplify right side
    3,411.80x = 15,207,402.78
  5. Step 5: Solve for x
    x = 15,207,402.78/3,411.80
  6. Step 6: Final answer
    x = 4,457.30

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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.