Home / 2,759.22-4,139.40-1,373.28

Finding the Fourth Proportional to 2,759.22, 4,139.40 and 1,373.28

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Solution

The fourth proportional to 2,759.22, 4,139.40 and 1,373.28 is: 2,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.22 : 4,139.40 = 1,373.28 : x
  2. Step 2: Convert to fraction form
    2,759.22/4,139.40 = 1,373.28/x
  3. Step 3: Cross multiply
    2,759.22x = 4,139.40 × 1,373.28
  4. Step 4: Simplify right side
    2,759.22x = 5,684,555.23
  5. Step 5: Solve for x
    x = 5,684,555.23/2,759.22
  6. Step 6: Final answer
    x = 2,060.20

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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.