Home / 3,921.90-5,848.25-3,377.58

Finding the Fourth Proportional to 3,921.90, 5,848.25 and 3,377.58

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Solution

The fourth proportional to 3,921.90, 5,848.25 and 3,377.58 is: 5,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.90 : 5,848.25 = 3,377.58 : x
  2. Step 2: Convert to fraction form
    3,921.90/5,848.25 = 3,377.58/x
  3. Step 3: Cross multiply
    3,921.90x = 5,848.25 × 3,377.58
  4. Step 4: Simplify right side
    3,921.90x = 19,752,902.92
  5. Step 5: Solve for x
    x = 19,752,902.92/3,921.90
  6. Step 6: Final answer
    x = 5,036.57

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1.5x scale

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.