Home / 3,167.80-4,370.94-1,770.28

Finding the Fourth Proportional to 3,167.80, 4,370.94 and 1,770.28

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Solution

The fourth proportional to 3,167.80, 4,370.94 and 1,770.28 is: 2,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.80 : 4,370.94 = 1,770.28 : x
  2. Step 2: Convert to fraction form
    3,167.80/4,370.94 = 1,770.28/x
  3. Step 3: Cross multiply
    3,167.80x = 4,370.94 × 1,770.28
  4. Step 4: Simplify right side
    3,167.80x = 7,737,787.66
  5. Step 5: Solve for x
    x = 7,737,787.66/3,167.80
  6. Step 6: Final answer
    x = 2,442.64

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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.