Home / 3,490.75-5,243.61-2,193.13

Finding the Fourth Proportional to 3,490.75, 5,243.61 and 2,193.13

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Solution

The fourth proportional to 3,490.75, 5,243.61 and 2,193.13 is: 3,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.75 : 5,243.61 = 2,193.13 : x
  2. Step 2: Convert to fraction form
    3,490.75/5,243.61 = 2,193.13/x
  3. Step 3: Cross multiply
    3,490.75x = 5,243.61 × 2,193.13
  4. Step 4: Simplify right side
    3,490.75x = 11,499,918.40
  5. Step 5: Solve for x
    x = 11,499,918.40/3,490.75
  6. Step 6: Final answer
    x = 3,294.40

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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.