Home / 1,659.20-2,503.85-1,604.12

Finding the Fourth Proportional to 1,659.20, 2,503.85 and 1,604.12

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Solution

The fourth proportional to 1,659.20, 2,503.85 and 1,604.12 is: 2,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.20 : 2,503.85 = 1,604.12 : x
  2. Step 2: Convert to fraction form
    1,659.20/2,503.85 = 1,604.12/x
  3. Step 3: Cross multiply
    1,659.20x = 2,503.85 × 1,604.12
  4. Step 4: Simplify right side
    1,659.20x = 4,016,455.32
  5. Step 5: Solve for x
    x = 4,016,455.32/1,659.20
  6. Step 6: Final answer
    x = 2,420.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.