Home / 3,758.07-5,186.45-2,080.02

Finding the Fourth Proportional to 3,758.07, 5,186.45 and 2,080.02

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Solution

The fourth proportional to 3,758.07, 5,186.45 and 2,080.02 is: 2,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.07 : 5,186.45 = 2,080.02 : x
  2. Step 2: Convert to fraction form
    3,758.07/5,186.45 = 2,080.02/x
  3. Step 3: Cross multiply
    3,758.07x = 5,186.45 × 2,080.02
  4. Step 4: Simplify right side
    3,758.07x = 10,787,894.02
  5. Step 5: Solve for x
    x = 10,787,894.02/3,758.07
  6. Step 6: Final answer
    x = 2,870.59

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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.