Home / 2,491.20-3,436.56-2,024.64

Finding the Fourth Proportional to 2,491.20, 3,436.56 and 2,024.64

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Solution

The fourth proportional to 2,491.20, 3,436.56 and 2,024.64 is: 2,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.20 : 3,436.56 = 2,024.64 : x
  2. Step 2: Convert to fraction form
    2,491.20/3,436.56 = 2,024.64/x
  3. Step 3: Cross multiply
    2,491.20x = 3,436.56 × 2,024.64
  4. Step 4: Simplify right side
    2,491.20x = 6,957,796.84
  5. Step 5: Solve for x
    x = 6,957,796.84/2,491.20
  6. Step 6: Final answer
    x = 2,792.95

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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.