Home / 2,149.98-3,222.90-1,370.94

Finding the Fourth Proportional to 2,149.98, 3,222.90 and 1,370.94

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Solution

The fourth proportional to 2,149.98, 3,222.90 and 1,370.94 is: 2,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.98 : 3,222.90 = 1,370.94 : x
  2. Step 2: Convert to fraction form
    2,149.98/3,222.90 = 1,370.94/x
  3. Step 3: Cross multiply
    2,149.98x = 3,222.90 × 1,370.94
  4. Step 4: Simplify right side
    2,149.98x = 4,418,402.53
  5. Step 5: Solve for x
    x = 4,418,402.53/2,149.98
  6. Step 6: Final answer
    x = 2,055.09

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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.