Home / 3,431.10-5,146.60-834.04

Finding the Fourth Proportional to 3,431.10, 5,146.60 and 834.04

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Solution

The fourth proportional to 3,431.10, 5,146.60 and 834.04 is: 1,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.10 : 5,146.60 = 834.04 : x
  2. Step 2: Convert to fraction form
    3,431.10/5,146.60 = 834.04/x
  3. Step 3: Cross multiply
    3,431.10x = 5,146.60 × 834.04
  4. Step 4: Simplify right side
    3,431.10x = 4,292,470.26
  5. Step 5: Solve for x
    x = 4,292,470.26/3,431.10
  6. Step 6: Final answer
    x = 1,251.05

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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.