Home / 2,914.16-4,022.17-1,919.52

Finding the Fourth Proportional to 2,914.16, 4,022.17 and 1,919.52

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Solution

The fourth proportional to 2,914.16, 4,022.17 and 1,919.52 is: 2,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.16 : 4,022.17 = 1,919.52 : x
  2. Step 2: Convert to fraction form
    2,914.16/4,022.17 = 1,919.52/x
  3. Step 3: Cross multiply
    2,914.16x = 4,022.17 × 1,919.52
  4. Step 4: Simplify right side
    2,914.16x = 7,720,630.96
  5. Step 5: Solve for x
    x = 7,720,630.96/2,914.16
  6. Step 6: Final answer
    x = 2,649.35

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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.