Home / 2,478.84-3,716.06-1,491.95

Finding the Fourth Proportional to 2,478.84, 3,716.06 and 1,491.95

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Solution

The fourth proportional to 2,478.84, 3,716.06 and 1,491.95 is: 2,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.84 : 3,716.06 = 1,491.95 : x
  2. Step 2: Convert to fraction form
    2,478.84/3,716.06 = 1,491.95/x
  3. Step 3: Cross multiply
    2,478.84x = 3,716.06 × 1,491.95
  4. Step 4: Simplify right side
    2,478.84x = 5,544,149.68
  5. Step 5: Solve for x
    x = 5,544,149.68/2,478.84
  6. Step 6: Final answer
    x = 2,236.59

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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.