Home / 1,515.98-2,274.68-1,491.41

Finding the Fourth Proportional to 1,515.98, 2,274.68 and 1,491.41

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Solution

The fourth proportional to 1,515.98, 2,274.68 and 1,491.41 is: 2,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.98 : 2,274.68 = 1,491.41 : x
  2. Step 2: Convert to fraction form
    1,515.98/2,274.68 = 1,491.41/x
  3. Step 3: Cross multiply
    1,515.98x = 2,274.68 × 1,491.41
  4. Step 4: Simplify right side
    1,515.98x = 3,392,489.91
  5. Step 5: Solve for x
    x = 3,392,489.91/1,515.98
  6. Step 6: Final answer
    x = 2,237.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.