Home / 3,097.88-4,642.56-2,055.12

Finding the Fourth Proportional to 3,097.88, 4,642.56 and 2,055.12

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Solution

The fourth proportional to 3,097.88, 4,642.56 and 2,055.12 is: 3,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.88 : 4,642.56 = 2,055.12 : x
  2. Step 2: Convert to fraction form
    3,097.88/4,642.56 = 2,055.12/x
  3. Step 3: Cross multiply
    3,097.88x = 4,642.56 × 2,055.12
  4. Step 4: Simplify right side
    3,097.88x = 9,541,017.91
  5. Step 5: Solve for x
    x = 9,541,017.91/3,097.88
  6. Step 6: Final answer
    x = 3,079.85

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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.