Home / 2,723.39-3,758.49-2,280.53

Finding the Fourth Proportional to 2,723.39, 3,758.49 and 2,280.53

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Solution

The fourth proportional to 2,723.39, 3,758.49 and 2,280.53 is: 3,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.39 : 3,758.49 = 2,280.53 : x
  2. Step 2: Convert to fraction form
    2,723.39/3,758.49 = 2,280.53/x
  3. Step 3: Cross multiply
    2,723.39x = 3,758.49 × 2,280.53
  4. Step 4: Simplify right side
    2,723.39x = 8,571,330.41
  5. Step 5: Solve for x
    x = 8,571,330.41/2,723.39
  6. Step 6: Final answer
    x = 3,147.31

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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.