Home / 3,184.80-4,394.16-1,787.52

Finding the Fourth Proportional to 3,184.80, 4,394.16 and 1,787.52

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Solution

The fourth proportional to 3,184.80, 4,394.16 and 1,787.52 is: 2,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.80 : 4,394.16 = 1,787.52 : x
  2. Step 2: Convert to fraction form
    3,184.80/4,394.16 = 1,787.52/x
  3. Step 3: Cross multiply
    3,184.80x = 4,394.16 × 1,787.52
  4. Step 4: Simplify right side
    3,184.80x = 7,854,648.88
  5. Step 5: Solve for x
    x = 7,854,648.88/3,184.80
  6. Step 6: Final answer
    x = 2,466.29

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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.