Home / 3,943.92-5,885.35-3,507.60

Finding the Fourth Proportional to 3,943.92, 5,885.35 and 3,507.60

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Solution

The fourth proportional to 3,943.92, 5,885.35 and 3,507.60 is: 5,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.92 : 5,885.35 = 3,507.60 : x
  2. Step 2: Convert to fraction form
    3,943.92/5,885.35 = 3,507.60/x
  3. Step 3: Cross multiply
    3,943.92x = 5,885.35 × 3,507.60
  4. Step 4: Simplify right side
    3,943.92x = 20,643,453.66
  5. Step 5: Solve for x
    x = 20,643,453.66/3,943.92
  6. Step 6: Final answer
    x = 5,234.25

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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.