Home / 3,516.90-4,863.95-3,143.22

Finding the Fourth Proportional to 3,516.90, 4,863.95 and 3,143.22

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Solution

The fourth proportional to 3,516.90, 4,863.95 and 3,143.22 is: 4,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.90 : 4,863.95 = 3,143.22 : x
  2. Step 2: Convert to fraction form
    3,516.90/4,863.95 = 3,143.22/x
  3. Step 3: Cross multiply
    3,516.90x = 4,863.95 × 3,143.22
  4. Step 4: Simplify right side
    3,516.90x = 15,288,464.92
  5. Step 5: Solve for x
    x = 15,288,464.92/3,516.90
  6. Step 6: Final answer
    x = 4,347.14

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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.