Home / 2,230.24-3,344.28-931.36

Finding the Fourth Proportional to 2,230.24, 3,344.28 and 931.36

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Solution

The fourth proportional to 2,230.24, 3,344.28 and 931.36 is: 1,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.24 : 3,344.28 = 931.36 : x
  2. Step 2: Convert to fraction form
    2,230.24/3,344.28 = 931.36/x
  3. Step 3: Cross multiply
    2,230.24x = 3,344.28 × 931.36
  4. Step 4: Simplify right side
    2,230.24x = 3,114,728.62
  5. Step 5: Solve for x
    x = 3,114,728.62/2,230.24
  6. Step 6: Final answer
    x = 1,396.59

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1.5x scale

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.