Home / 2,767.17-4,150.75-1,123.71

Finding the Fourth Proportional to 2,767.17, 4,150.75 and 1,123.71

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Solution

The fourth proportional to 2,767.17, 4,150.75 and 1,123.71 is: 1,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.17 : 4,150.75 = 1,123.71 : x
  2. Step 2: Convert to fraction form
    2,767.17/4,150.75 = 1,123.71/x
  3. Step 3: Cross multiply
    2,767.17x = 4,150.75 × 1,123.71
  4. Step 4: Simplify right side
    2,767.17x = 4,664,239.28
  5. Step 5: Solve for x
    x = 4,664,239.28/2,767.17
  6. Step 6: Final answer
    x = 1,685.56

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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.