Home / 2,972.74-4,104.39-2,656.99

Finding the Fourth Proportional to 2,972.74, 4,104.39 and 2,656.99

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Solution

The fourth proportional to 2,972.74, 4,104.39 and 2,656.99 is: 3,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.74 : 4,104.39 = 2,656.99 : x
  2. Step 2: Convert to fraction form
    2,972.74/4,104.39 = 2,656.99/x
  3. Step 3: Cross multiply
    2,972.74x = 4,104.39 × 2,656.99
  4. Step 4: Simplify right side
    2,972.74x = 10,905,309.90
  5. Step 5: Solve for x
    x = 10,905,309.90/2,972.74
  6. Step 6: Final answer
    x = 3,668.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.