Home / 1,723.38-2,577.18-1,284.95

Finding the Fourth Proportional to 1,723.38, 2,577.18 and 1,284.95

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Solution

The fourth proportional to 1,723.38, 2,577.18 and 1,284.95 is: 1,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.38 : 2,577.18 = 1,284.95 : x
  2. Step 2: Convert to fraction form
    1,723.38/2,577.18 = 1,284.95/x
  3. Step 3: Cross multiply
    1,723.38x = 2,577.18 × 1,284.95
  4. Step 4: Simplify right side
    1,723.38x = 3,311,534.56
  5. Step 5: Solve for x
    x = 3,311,534.56/1,723.38
  6. Step 6: Final answer
    x = 1,921.53

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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.