Home / 2,767.68-4,131.27-2,439.63

Finding the Fourth Proportional to 2,767.68, 4,131.27 and 2,439.63

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Solution

The fourth proportional to 2,767.68, 4,131.27 and 2,439.63 is: 3,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.68 : 4,131.27 = 2,439.63 : x
  2. Step 2: Convert to fraction form
    2,767.68/4,131.27 = 2,439.63/x
  3. Step 3: Cross multiply
    2,767.68x = 4,131.27 × 2,439.63
  4. Step 4: Simplify right side
    2,767.68x = 10,078,770.23
  5. Step 5: Solve for x
    x = 10,078,770.23/2,767.68
  6. Step 6: Final answer
    x = 3,641.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.