Home / 3,156.73-4,356.35-1,759.33

Finding the Fourth Proportional to 3,156.73, 4,356.35 and 1,759.33

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Solution

The fourth proportional to 3,156.73, 4,356.35 and 1,759.33 is: 2,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.73 : 4,356.35 = 1,759.33 : x
  2. Step 2: Convert to fraction form
    3,156.73/4,356.35 = 1,759.33/x
  3. Step 3: Cross multiply
    3,156.73x = 4,356.35 × 1,759.33
  4. Step 4: Simplify right side
    3,156.73x = 7,664,248.45
  5. Step 5: Solve for x
    x = 7,664,248.45/3,156.73
  6. Step 6: Final answer
    x = 2,427.91

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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.