Home / 2,477.97-3,717.53-1,438.85

Finding the Fourth Proportional to 2,477.97, 3,717.53 and 1,438.85

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Solution

The fourth proportional to 2,477.97, 3,717.53 and 1,438.85 is: 2,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.97 : 3,717.53 = 1,438.85 : x
  2. Step 2: Convert to fraction form
    2,477.97/3,717.53 = 1,438.85/x
  3. Step 3: Cross multiply
    2,477.97x = 3,717.53 × 1,438.85
  4. Step 4: Simplify right side
    2,477.97x = 5,348,942.26
  5. Step 5: Solve for x
    x = 5,348,942.26/2,477.97
  6. Step 6: Final answer
    x = 2,158.60

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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.