Home / 1,872.08-2,579.25-1,304.38

Finding the Fourth Proportional to 1,872.08, 2,579.25 and 1,304.38

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Solution

The fourth proportional to 1,872.08, 2,579.25 and 1,304.38 is: 1,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.08 : 2,579.25 = 1,304.38 : x
  2. Step 2: Convert to fraction form
    1,872.08/2,579.25 = 1,304.38/x
  3. Step 3: Cross multiply
    1,872.08x = 2,579.25 × 1,304.38
  4. Step 4: Simplify right side
    1,872.08x = 3,364,322.12
  5. Step 5: Solve for x
    x = 3,364,322.12/1,872.08
  6. Step 6: Final answer
    x = 1,797.10

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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.