Home / 1,807.26-2,711.97-1,192.74

Finding the Fourth Proportional to 1,807.26, 2,711.97 and 1,192.74

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Solution

The fourth proportional to 1,807.26, 2,711.97 and 1,192.74 is: 1,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.26 : 2,711.97 = 1,192.74 : x
  2. Step 2: Convert to fraction form
    1,807.26/2,711.97 = 1,192.74/x
  3. Step 3: Cross multiply
    1,807.26x = 2,711.97 × 1,192.74
  4. Step 4: Simplify right side
    1,807.26x = 3,234,675.10
  5. Step 5: Solve for x
    x = 3,234,675.10/1,807.26
  6. Step 6: Final answer
    x = 1,789.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.