Home / 2,110.34-2,911.63-1,225.97

Finding the Fourth Proportional to 2,110.34, 2,911.63 and 1,225.97

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Solution

The fourth proportional to 2,110.34, 2,911.63 and 1,225.97 is: 1,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.34 : 2,911.63 = 1,225.97 : x
  2. Step 2: Convert to fraction form
    2,110.34/2,911.63 = 1,225.97/x
  3. Step 3: Cross multiply
    2,110.34x = 2,911.63 × 1,225.97
  4. Step 4: Simplify right side
    2,110.34x = 3,569,571.03
  5. Step 5: Solve for x
    x = 3,569,571.03/2,110.34
  6. Step 6: Final answer
    x = 1,691.47

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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.