Home / 3,104.45-4,656.76-913.25

Finding the Fourth Proportional to 3,104.45, 4,656.76 and 913.25

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Solution

The fourth proportional to 3,104.45, 4,656.76 and 913.25 is: 1,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.45 : 4,656.76 = 913.25 : x
  2. Step 2: Convert to fraction form
    3,104.45/4,656.76 = 913.25/x
  3. Step 3: Cross multiply
    3,104.45x = 4,656.76 × 913.25
  4. Step 4: Simplify right side
    3,104.45x = 4,252,769.23
  5. Step 5: Solve for x
    x = 4,252,769.23/3,104.45
  6. Step 6: Final answer
    x = 1,369.90

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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.