Home / 3,081.44-4,252.43-1,823.51

Finding the Fourth Proportional to 3,081.44, 4,252.43 and 1,823.51

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Solution

The fourth proportional to 3,081.44, 4,252.43 and 1,823.51 is: 2,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.44 : 4,252.43 = 1,823.51 : x
  2. Step 2: Convert to fraction form
    3,081.44/4,252.43 = 1,823.51/x
  3. Step 3: Cross multiply
    3,081.44x = 4,252.43 × 1,823.51
  4. Step 4: Simplify right side
    3,081.44x = 7,754,363.82
  5. Step 5: Solve for x
    x = 7,754,363.82/3,081.44
  6. Step 6: Final answer
    x = 2,516.47

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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.