Home / 2,785.28-3,834.92-2,364.76

Finding the Fourth Proportional to 2,785.28, 3,834.92 and 2,364.76

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Solution

The fourth proportional to 2,785.28, 3,834.92 and 2,364.76 is: 3,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.28 : 3,834.92 = 2,364.76 : x
  2. Step 2: Convert to fraction form
    2,785.28/3,834.92 = 2,364.76/x
  3. Step 3: Cross multiply
    2,785.28x = 3,834.92 × 2,364.76
  4. Step 4: Simplify right side
    2,785.28x = 9,068,665.42
  5. Step 5: Solve for x
    x = 9,068,665.42/2,785.28
  6. Step 6: Final answer
    x = 3,255.93

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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.