Home / 2,428.63-3,643.28-1,195.71

Finding the Fourth Proportional to 2,428.63, 3,643.28 and 1,195.71

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Solution

The fourth proportional to 2,428.63, 3,643.28 and 1,195.71 is: 1,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.63 : 3,643.28 = 1,195.71 : x
  2. Step 2: Convert to fraction form
    2,428.63/3,643.28 = 1,195.71/x
  3. Step 3: Cross multiply
    2,428.63x = 3,643.28 × 1,195.71
  4. Step 4: Simplify right side
    2,428.63x = 4,356,311.67
  5. Step 5: Solve for x
    x = 4,356,311.67/2,428.63
  6. Step 6: Final answer
    x = 1,793.73

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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.