Home / 3,377.05-4,657.29-2,118.25

Finding the Fourth Proportional to 3,377.05, 4,657.29 and 2,118.25

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Solution

The fourth proportional to 3,377.05, 4,657.29 and 2,118.25 is: 2,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.05 : 4,657.29 = 2,118.25 : x
  2. Step 2: Convert to fraction form
    3,377.05/4,657.29 = 2,118.25/x
  3. Step 3: Cross multiply
    3,377.05x = 4,657.29 × 2,118.25
  4. Step 4: Simplify right side
    3,377.05x = 9,865,304.54
  5. Step 5: Solve for x
    x = 9,865,304.54/3,377.05
  6. Step 6: Final answer
    x = 2,921.28

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1.5x scale

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.