Home / 1,867.38-2,785.22-1,834.58

Finding the Fourth Proportional to 1,867.38, 2,785.22 and 1,834.58

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Solution

The fourth proportional to 1,867.38, 2,785.22 and 1,834.58 is: 2,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.38 : 2,785.22 = 1,834.58 : x
  2. Step 2: Convert to fraction form
    1,867.38/2,785.22 = 1,834.58/x
  3. Step 3: Cross multiply
    1,867.38x = 2,785.22 × 1,834.58
  4. Step 4: Simplify right side
    1,867.38x = 5,109,708.91
  5. Step 5: Solve for x
    x = 5,109,708.91/1,867.38
  6. Step 6: Final answer
    x = 2,736.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.