Home / 3,434.26-5,151.39-837.18

Finding the Fourth Proportional to 3,434.26, 5,151.39 and 837.18

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Solution

The fourth proportional to 3,434.26, 5,151.39 and 837.18 is: 1,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.26 : 5,151.39 = 837.18 : x
  2. Step 2: Convert to fraction form
    3,434.26/5,151.39 = 837.18/x
  3. Step 3: Cross multiply
    3,434.26x = 5,151.39 × 837.18
  4. Step 4: Simplify right side
    3,434.26x = 4,312,640.68
  5. Step 5: Solve for x
    x = 4,312,640.68/3,434.26
  6. Step 6: Final answer
    x = 1,255.77

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Similar ratio
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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.