Home / 2,716.90-3,748.44-1,521.71

Finding the Fourth Proportional to 2,716.90, 3,748.44 and 1,521.71

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Solution

The fourth proportional to 2,716.90, 3,748.44 and 1,521.71 is: 2,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.90 : 3,748.44 = 1,521.71 : x
  2. Step 2: Convert to fraction form
    2,716.90/3,748.44 = 1,521.71/x
  3. Step 3: Cross multiply
    2,716.90x = 3,748.44 × 1,521.71
  4. Step 4: Simplify right side
    2,716.90x = 5,704,019.89
  5. Step 5: Solve for x
    x = 5,704,019.89/2,716.90
  6. Step 6: Final answer
    x = 2,099.46

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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.