Home / 2,894.08-4,331.40-1,799.20

Finding the Fourth Proportional to 2,894.08, 4,331.40 and 1,799.20

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Solution

The fourth proportional to 2,894.08, 4,331.40 and 1,799.20 is: 2,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.08 : 4,331.40 = 1,799.20 : x
  2. Step 2: Convert to fraction form
    2,894.08/4,331.40 = 1,799.20/x
  3. Step 3: Cross multiply
    2,894.08x = 4,331.40 × 1,799.20
  4. Step 4: Simplify right side
    2,894.08x = 7,793,054.88
  5. Step 5: Solve for x
    x = 7,793,054.88/2,894.08
  6. Step 6: Final answer
    x = 2,692.76

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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.