Home / 2,693.43-4,039.47-1,911.15

Finding the Fourth Proportional to 2,693.43, 4,039.47 and 1,911.15

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Solution

The fourth proportional to 2,693.43, 4,039.47 and 1,911.15 is: 2,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.43 : 4,039.47 = 1,911.15 : x
  2. Step 2: Convert to fraction form
    2,693.43/4,039.47 = 1,911.15/x
  3. Step 3: Cross multiply
    2,693.43x = 4,039.47 × 1,911.15
  4. Step 4: Simplify right side
    2,693.43x = 7,720,033.09
  5. Step 5: Solve for x
    x = 7,720,033.09/2,693.43
  6. Step 6: Final answer
    x = 2,866.25

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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.