Home / 2,329.17-3,218.84-1,908.82

Finding the Fourth Proportional to 2,329.17, 3,218.84 and 1,908.82

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Solution

The fourth proportional to 2,329.17, 3,218.84 and 1,908.82 is: 2,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.17 : 3,218.84 = 1,908.82 : x
  2. Step 2: Convert to fraction form
    2,329.17/3,218.84 = 1,908.82/x
  3. Step 3: Cross multiply
    2,329.17x = 3,218.84 × 1,908.82
  4. Step 4: Simplify right side
    2,329.17x = 6,144,186.17
  5. Step 5: Solve for x
    x = 6,144,186.17/2,329.17
  6. Step 6: Final answer
    x = 2,637.93

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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.