Home / 2,727.76-3,766.42-2,097.28

Finding the Fourth Proportional to 2,727.76, 3,766.42 and 2,097.28

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Solution

The fourth proportional to 2,727.76, 3,766.42 and 2,097.28 is: 2,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.76 : 3,766.42 = 2,097.28 : x
  2. Step 2: Convert to fraction form
    2,727.76/3,766.42 = 2,097.28/x
  3. Step 3: Cross multiply
    2,727.76x = 3,766.42 × 2,097.28
  4. Step 4: Simplify right side
    2,727.76x = 7,899,237.34
  5. Step 5: Solve for x
    x = 7,899,237.34/2,727.76
  6. Step 6: Final answer
    x = 2,895.87

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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.