Home / 3,516.20-5,222.29-3,451.40

Finding the Fourth Proportional to 3,516.20, 5,222.29 and 3,451.40

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Solution

The fourth proportional to 3,516.20, 5,222.29 and 3,451.40 is: 5,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.20 : 5,222.29 = 3,451.40 : x
  2. Step 2: Convert to fraction form
    3,516.20/5,222.29 = 3,451.40/x
  3. Step 3: Cross multiply
    3,516.20x = 5,222.29 × 3,451.40
  4. Step 4: Simplify right side
    3,516.20x = 18,024,211.71
  5. Step 5: Solve for x
    x = 18,024,211.71/3,516.20
  6. Step 6: Final answer
    x = 5,126.05

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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.