Home / 3,453.39-4,760.66-2,389.53

Finding the Fourth Proportional to 3,453.39, 4,760.66 and 2,389.53

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Solution

The fourth proportional to 3,453.39, 4,760.66 and 2,389.53 is: 3,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.39 : 4,760.66 = 2,389.53 : x
  2. Step 2: Convert to fraction form
    3,453.39/4,760.66 = 2,389.53/x
  3. Step 3: Cross multiply
    3,453.39x = 4,760.66 × 2,389.53
  4. Step 4: Simplify right side
    3,453.39x = 11,375,736.90
  5. Step 5: Solve for x
    x = 11,375,736.90/3,453.39
  6. Step 6: Final answer
    x = 3,294.08

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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.