Home / 2,422.24-3,632.28-690.46

Finding the Fourth Proportional to 2,422.24, 3,632.28 and 690.46

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Solution

The fourth proportional to 2,422.24, 3,632.28 and 690.46 is: 1,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.24 : 3,632.28 = 690.46 : x
  2. Step 2: Convert to fraction form
    2,422.24/3,632.28 = 690.46/x
  3. Step 3: Cross multiply
    2,422.24x = 3,632.28 × 690.46
  4. Step 4: Simplify right side
    2,422.24x = 2,507,932.38
  5. Step 5: Solve for x
    x = 2,507,932.38/2,422.24
  6. Step 6: Final answer
    x = 1,035.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.