Home / 3,103.59-4,279.46-2,262.81

Finding the Fourth Proportional to 3,103.59, 4,279.46 and 2,262.81

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Solution

The fourth proportional to 3,103.59, 4,279.46 and 2,262.81 is: 3,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.59 : 4,279.46 = 2,262.81 : x
  2. Step 2: Convert to fraction form
    3,103.59/4,279.46 = 2,262.81/x
  3. Step 3: Cross multiply
    3,103.59x = 4,279.46 × 2,262.81
  4. Step 4: Simplify right side
    3,103.59x = 9,683,593.57
  5. Step 5: Solve for x
    x = 9,683,593.57/3,103.59
  6. Step 6: Final answer
    x = 3,120.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.