Home / 3,414.10-5,121.14-948.93

Finding the Fourth Proportional to 3,414.10, 5,121.14 and 948.93

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Solution

The fourth proportional to 3,414.10, 5,121.14 and 948.93 is: 1,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.10 : 5,121.14 = 948.93 : x
  2. Step 2: Convert to fraction form
    3,414.10/5,121.14 = 948.93/x
  3. Step 3: Cross multiply
    3,414.10x = 5,121.14 × 948.93
  4. Step 4: Simplify right side
    3,414.10x = 4,859,613.58
  5. Step 5: Solve for x
    x = 4,859,613.58/3,414.10
  6. Step 6: Final answer
    x = 1,423.40

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1.5x scale

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.