Home / 2,436.88-3,639.56-2,205.28

Finding the Fourth Proportional to 2,436.88, 3,639.56 and 2,205.28

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Solution

The fourth proportional to 2,436.88, 3,639.56 and 2,205.28 is: 3,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.88 : 3,639.56 = 2,205.28 : x
  2. Step 2: Convert to fraction form
    2,436.88/3,639.56 = 2,205.28/x
  3. Step 3: Cross multiply
    2,436.88x = 3,639.56 × 2,205.28
  4. Step 4: Simplify right side
    2,436.88x = 8,026,248.88
  5. Step 5: Solve for x
    x = 8,026,248.88/2,436.88
  6. Step 6: Final answer
    x = 3,293.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.