Home / 3,493.80-5,240.70-3,331.80

Finding the Fourth Proportional to 3,493.80, 5,240.70 and 3,331.80

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Solution

The fourth proportional to 3,493.80, 5,240.70 and 3,331.80 is: 4,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.80 : 5,240.70 = 3,331.80 : x
  2. Step 2: Convert to fraction form
    3,493.80/5,240.70 = 3,331.80/x
  3. Step 3: Cross multiply
    3,493.80x = 5,240.70 × 3,331.80
  4. Step 4: Simplify right side
    3,493.80x = 17,460,964.26
  5. Step 5: Solve for x
    x = 17,460,964.26/3,493.80
  6. Step 6: Final answer
    x = 4,997.70

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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.