Home / 3,081.19-4,252.35-1,754.95

Finding the Fourth Proportional to 3,081.19, 4,252.35 and 1,754.95

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Solution

The fourth proportional to 3,081.19, 4,252.35 and 1,754.95 is: 2,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.19 : 4,252.35 = 1,754.95 : x
  2. Step 2: Convert to fraction form
    3,081.19/4,252.35 = 1,754.95/x
  3. Step 3: Cross multiply
    3,081.19x = 4,252.35 × 1,754.95
  4. Step 4: Simplify right side
    3,081.19x = 7,462,661.63
  5. Step 5: Solve for x
    x = 7,462,661.63/3,081.19
  6. Step 6: Final answer
    x = 2,422.01

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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.