Home / 3,998.88-5,518.53-2,426.13

Finding the Fourth Proportional to 3,998.88, 5,518.53 and 2,426.13

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Solution

The fourth proportional to 3,998.88, 5,518.53 and 2,426.13 is: 3,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.88 : 5,518.53 = 2,426.13 : x
  2. Step 2: Convert to fraction form
    3,998.88/5,518.53 = 2,426.13/x
  3. Step 3: Cross multiply
    3,998.88x = 5,518.53 × 2,426.13
  4. Step 4: Simplify right side
    3,998.88x = 13,388,671.19
  5. Step 5: Solve for x
    x = 13,388,671.19/3,998.88
  6. Step 6: Final answer
    x = 3,348.11

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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.