Home / 3,104.27-4,657.35-913.02

Finding the Fourth Proportional to 3,104.27, 4,657.35 and 913.02

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Solution

The fourth proportional to 3,104.27, 4,657.35 and 913.02 is: 1,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.27 : 4,657.35 = 913.02 : x
  2. Step 2: Convert to fraction form
    3,104.27/4,657.35 = 913.02/x
  3. Step 3: Cross multiply
    3,104.27x = 4,657.35 × 913.02
  4. Step 4: Simplify right side
    3,104.27x = 4,252,253.70
  5. Step 5: Solve for x
    x = 4,252,253.70/3,104.27
  6. Step 6: Final answer
    x = 1,369.81

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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.