Home / 2,767.71-4,155.66-1,127.46

Finding the Fourth Proportional to 2,767.71, 4,155.66 and 1,127.46

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Solution

The fourth proportional to 2,767.71, 4,155.66 and 1,127.46 is: 1,692.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.71 : 4,155.66 = 1,127.46 : x
  2. Step 2: Convert to fraction form
    2,767.71/4,155.66 = 1,127.46/x
  3. Step 3: Cross multiply
    2,767.71x = 4,155.66 × 1,127.46
  4. Step 4: Simplify right side
    2,767.71x = 4,685,340.42
  5. Step 5: Solve for x
    x = 4,685,340.42/2,767.71
  6. Step 6: Final answer
    x = 1,692.86

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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.