Home / 3,954.26-5,456.87-2,557

Finding the Fourth Proportional to 3,954.26, 5,456.87 and 2,557

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Solution

The fourth proportional to 3,954.26, 5,456.87 and 2,557 is: 3,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.26 : 5,456.87 = 2,557 : x
  2. Step 2: Convert to fraction form
    3,954.26/5,456.87 = 2,557/x
  3. Step 3: Cross multiply
    3,954.26x = 5,456.87 × 2,557
  4. Step 4: Simplify right side
    3,954.26x = 13,953,216.59
  5. Step 5: Solve for x
    x = 13,953,216.59/3,954.26
  6. Step 6: Final answer
    x = 3,528.65

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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.