Home / 3,387.89-4,675.30-1,895.87

Finding the Fourth Proportional to 3,387.89, 4,675.30 and 1,895.87

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Solution

The fourth proportional to 3,387.89, 4,675.30 and 1,895.87 is: 2,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.89 : 4,675.30 = 1,895.87 : x
  2. Step 2: Convert to fraction form
    3,387.89/4,675.30 = 1,895.87/x
  3. Step 3: Cross multiply
    3,387.89x = 4,675.30 × 1,895.87
  4. Step 4: Simplify right side
    3,387.89x = 8,863,761.01
  5. Step 5: Solve for x
    x = 8,863,761.01/3,387.89
  6. Step 6: Final answer
    x = 2,616.31

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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.