Home / 3,423.25-5,134.88-1,114.75

Finding the Fourth Proportional to 3,423.25, 5,134.88 and 1,114.75

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Solution

The fourth proportional to 3,423.25, 5,134.88 and 1,114.75 is: 1,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.25 : 5,134.88 = 1,114.75 : x
  2. Step 2: Convert to fraction form
    3,423.25/5,134.88 = 1,114.75/x
  3. Step 3: Cross multiply
    3,423.25x = 5,134.88 × 1,114.75
  4. Step 4: Simplify right side
    3,423.25x = 5,724,107.48
  5. Step 5: Solve for x
    x = 5,724,107.48/3,423.25
  6. Step 6: Final answer
    x = 1,672.13

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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.