Home / 1,350.42-2,025.63-376.80

Finding the Fourth Proportional to 1,350.42, 2,025.63 and 376.80

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Solution

The fourth proportional to 1,350.42, 2,025.63 and 376.80 is: 565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.42 : 2,025.63 = 376.80 : x
  2. Step 2: Convert to fraction form
    1,350.42/2,025.63 = 376.80/x
  3. Step 3: Cross multiply
    1,350.42x = 2,025.63 × 376.80
  4. Step 4: Simplify right side
    1,350.42x = 763,257.38
  5. Step 5: Solve for x
    x = 763,257.38/1,350.42
  6. Step 6: Final answer
    x = 565.20

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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.