Home / 1,976.27-2,727.14-1,125.38

Finding the Fourth Proportional to 1,976.27, 2,727.14 and 1,125.38

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Solution

The fourth proportional to 1,976.27, 2,727.14 and 1,125.38 is: 1,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.27 : 2,727.14 = 1,125.38 : x
  2. Step 2: Convert to fraction form
    1,976.27/2,727.14 = 1,125.38/x
  3. Step 3: Cross multiply
    1,976.27x = 2,727.14 × 1,125.38
  4. Step 4: Simplify right side
    1,976.27x = 3,069,070.00
  5. Step 5: Solve for x
    x = 3,069,070.00/1,976.27
  6. Step 6: Final answer
    x = 1,552.96

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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.