Home / 3,584.12-5,377.72-1,394.40

Finding the Fourth Proportional to 3,584.12, 5,377.72 and 1,394.40

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Solution

The fourth proportional to 3,584.12, 5,377.72 and 1,394.40 is: 2,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.12 : 5,377.72 = 1,394.40 : x
  2. Step 2: Convert to fraction form
    3,584.12/5,377.72 = 1,394.40/x
  3. Step 3: Cross multiply
    3,584.12x = 5,377.72 × 1,394.40
  4. Step 4: Simplify right side
    3,584.12x = 7,498,692.77
  5. Step 5: Solve for x
    x = 7,498,692.77/3,584.12
  6. Step 6: Final answer
    x = 2,092.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.