Home / 2,721.94-4,088.31-2,331.79

Finding the Fourth Proportional to 2,721.94, 4,088.31 and 2,331.79

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Solution

The fourth proportional to 2,721.94, 4,088.31 and 2,331.79 is: 3,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.94 : 4,088.31 = 2,331.79 : x
  2. Step 2: Convert to fraction form
    2,721.94/4,088.31 = 2,331.79/x
  3. Step 3: Cross multiply
    2,721.94x = 4,088.31 × 2,331.79
  4. Step 4: Simplify right side
    2,721.94x = 9,533,080.37
  5. Step 5: Solve for x
    x = 9,533,080.37/2,721.94
  6. Step 6: Final answer
    x = 3,502.31

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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.