Home / 3,895.95-5,377.94-2,637.75

Finding the Fourth Proportional to 3,895.95, 5,377.94 and 2,637.75

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Solution

The fourth proportional to 3,895.95, 5,377.94 and 2,637.75 is: 3,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.95 : 5,377.94 = 2,637.75 : x
  2. Step 2: Convert to fraction form
    3,895.95/5,377.94 = 2,637.75/x
  3. Step 3: Cross multiply
    3,895.95x = 5,377.94 × 2,637.75
  4. Step 4: Simplify right side
    3,895.95x = 14,185,648.05
  5. Step 5: Solve for x
    x = 14,185,648.05/3,895.95
  6. Step 6: Final answer
    x = 3,641.13

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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.