Home / 3,289.24-4,934.93-1,972.79

Finding the Fourth Proportional to 3,289.24, 4,934.93 and 1,972.79

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Solution

The fourth proportional to 3,289.24, 4,934.93 and 1,972.79 is: 2,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.24 : 4,934.93 = 1,972.79 : x
  2. Step 2: Convert to fraction form
    3,289.24/4,934.93 = 1,972.79/x
  3. Step 3: Cross multiply
    3,289.24x = 4,934.93 × 1,972.79
  4. Step 4: Simplify right side
    3,289.24x = 9,735,564.52
  5. Step 5: Solve for x
    x = 9,735,564.52/3,289.24
  6. Step 6: Final answer
    x = 2,959.82

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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.