Home / 4,095.80-5,648.30-2,679.02

Finding the Fourth Proportional to 4,095.80, 5,648.30 and 2,679.02

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Solution

The fourth proportional to 4,095.80, 5,648.30 and 2,679.02 is: 3,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.80 : 5,648.30 = 2,679.02 : x
  2. Step 2: Convert to fraction form
    4,095.80/5,648.30 = 2,679.02/x
  3. Step 3: Cross multiply
    4,095.80x = 5,648.30 × 2,679.02
  4. Step 4: Simplify right side
    4,095.80x = 15,131,908.67
  5. Step 5: Solve for x
    x = 15,131,908.67/4,095.80
  6. Step 6: Final answer
    x = 3,694.49

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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.