Home / 3,104.59-4,280.83-2,263.81

Finding the Fourth Proportional to 3,104.59, 4,280.83 and 2,263.81

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Solution

The fourth proportional to 3,104.59, 4,280.83 and 2,263.81 is: 3,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.59 : 4,280.83 = 2,263.81 : x
  2. Step 2: Convert to fraction form
    3,104.59/4,280.83 = 2,263.81/x
  3. Step 3: Cross multiply
    3,104.59x = 4,280.83 × 2,263.81
  4. Step 4: Simplify right side
    3,104.59x = 9,690,985.76
  5. Step 5: Solve for x
    x = 9,690,985.76/3,104.59
  6. Step 6: Final answer
    x = 3,121.50

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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.