Home / 3,175.31-4,382.07-1,848.80

Finding the Fourth Proportional to 3,175.31, 4,382.07 and 1,848.80

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Solution

The fourth proportional to 3,175.31, 4,382.07 and 1,848.80 is: 2,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.31 : 4,382.07 = 1,848.80 : x
  2. Step 2: Convert to fraction form
    3,175.31/4,382.07 = 1,848.80/x
  3. Step 3: Cross multiply
    3,175.31x = 4,382.07 × 1,848.80
  4. Step 4: Simplify right side
    3,175.31x = 8,101,575.04
  5. Step 5: Solve for x
    x = 8,101,575.04/3,175.31
  6. Step 6: Final answer
    x = 2,551.43

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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.