Home / 3,430.85-5,146.26-833.80

Finding the Fourth Proportional to 3,430.85, 5,146.26 and 833.80

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Solution

The fourth proportional to 3,430.85, 5,146.26 and 833.80 is: 1,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.85 : 5,146.26 = 833.80 : x
  2. Step 2: Convert to fraction form
    3,430.85/5,146.26 = 833.80/x
  3. Step 3: Cross multiply
    3,430.85x = 5,146.26 × 833.80
  4. Step 4: Simplify right side
    3,430.85x = 4,290,925.86
  5. Step 5: Solve for x
    x = 4,290,925.86/3,430.85
  6. Step 6: Final answer
    x = 1,250.69

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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.