Home / 2,288.64-3,158.43-1,344.47

Finding the Fourth Proportional to 2,288.64, 3,158.43 and 1,344.47

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Solution

The fourth proportional to 2,288.64, 3,158.43 and 1,344.47 is: 1,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.64 : 3,158.43 = 1,344.47 : x
  2. Step 2: Convert to fraction form
    2,288.64/3,158.43 = 1,344.47/x
  3. Step 3: Cross multiply
    2,288.64x = 3,158.43 × 1,344.47
  4. Step 4: Simplify right side
    2,288.64x = 4,246,398.59
  5. Step 5: Solve for x
    x = 4,246,398.59/2,288.64
  6. Step 6: Final answer
    x = 1,855.42

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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.