Home / 2,872.06-3,963.73-1,693.51

Finding the Fourth Proportional to 2,872.06, 3,963.73 and 1,693.51

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Solution

The fourth proportional to 2,872.06, 3,963.73 and 1,693.51 is: 2,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.06 : 3,963.73 = 1,693.51 : x
  2. Step 2: Convert to fraction form
    2,872.06/3,963.73 = 1,693.51/x
  3. Step 3: Cross multiply
    2,872.06x = 3,963.73 × 1,693.51
  4. Step 4: Simplify right side
    2,872.06x = 6,712,616.39
  5. Step 5: Solve for x
    x = 6,712,616.39/2,872.06
  6. Step 6: Final answer
    x = 2,337.21

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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.