Home / 2,117.62-2,922.30-1,266.97

Finding the Fourth Proportional to 2,117.62, 2,922.30 and 1,266.97

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Solution

The fourth proportional to 2,117.62, 2,922.30 and 1,266.97 is: 1,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.62 : 2,922.30 = 1,266.97 : x
  2. Step 2: Convert to fraction form
    2,117.62/2,922.30 = 1,266.97/x
  3. Step 3: Cross multiply
    2,117.62x = 2,922.30 × 1,266.97
  4. Step 4: Simplify right side
    2,117.62x = 3,702,466.43
  5. Step 5: Solve for x
    x = 3,702,466.43/2,117.62
  6. Step 6: Final answer
    x = 1,748.41

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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.