Home / 2,116.14-2,921.04-1,722.48

Finding the Fourth Proportional to 2,116.14, 2,921.04 and 1,722.48

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Solution

The fourth proportional to 2,116.14, 2,921.04 and 1,722.48 is: 2,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.14 : 2,921.04 = 1,722.48 : x
  2. Step 2: Convert to fraction form
    2,116.14/2,921.04 = 1,722.48/x
  3. Step 3: Cross multiply
    2,116.14x = 2,921.04 × 1,722.48
  4. Step 4: Simplify right side
    2,116.14x = 5,031,432.98
  5. Step 5: Solve for x
    x = 5,031,432.98/2,116.14
  6. Step 6: Final answer
    x = 2,377.65

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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.