Home / 2,785.69-3,844.29-1,791.30

Finding the Fourth Proportional to 2,785.69, 3,844.29 and 1,791.30

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Solution

The fourth proportional to 2,785.69, 3,844.29 and 1,791.30 is: 2,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.69 : 3,844.29 = 1,791.30 : x
  2. Step 2: Convert to fraction form
    2,785.69/3,844.29 = 1,791.30/x
  3. Step 3: Cross multiply
    2,785.69x = 3,844.29 × 1,791.30
  4. Step 4: Simplify right side
    2,785.69x = 6,886,276.68
  5. Step 5: Solve for x
    x = 6,886,276.68/2,785.69
  6. Step 6: Final answer
    x = 2,472.02

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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.