Home / 2,585.46-3,878.26-943.23

Finding the Fourth Proportional to 2,585.46, 3,878.26 and 943.23

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Solution

The fourth proportional to 2,585.46, 3,878.26 and 943.23 is: 1,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.46 : 3,878.26 = 943.23 : x
  2. Step 2: Convert to fraction form
    2,585.46/3,878.26 = 943.23/x
  3. Step 3: Cross multiply
    2,585.46x = 3,878.26 × 943.23
  4. Step 4: Simplify right side
    2,585.46x = 3,658,091.18
  5. Step 5: Solve for x
    x = 3,658,091.18/2,585.46
  6. Step 6: Final answer
    x = 1,414.87

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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.