Home / 3,659.90-5,045.76-2,759.76

Finding the Fourth Proportional to 3,659.90, 5,045.76 and 2,759.76

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Solution

The fourth proportional to 3,659.90, 5,045.76 and 2,759.76 is: 3,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.90 : 5,045.76 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    3,659.90/5,045.76 = 2,759.76/x
  3. Step 3: Cross multiply
    3,659.90x = 5,045.76 × 2,759.76
  4. Step 4: Simplify right side
    3,659.90x = 13,925,086.62
  5. Step 5: Solve for x
    x = 13,925,086.62/3,659.90
  6. Step 6: Final answer
    x = 3,804.78

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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.