Home / 2,439.48-3,667.32-1,891.92

Finding the Fourth Proportional to 2,439.48, 3,667.32 and 1,891.92

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Solution

The fourth proportional to 2,439.48, 3,667.32 and 1,891.92 is: 2,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.48 : 3,667.32 = 1,891.92 : x
  2. Step 2: Convert to fraction form
    2,439.48/3,667.32 = 1,891.92/x
  3. Step 3: Cross multiply
    2,439.48x = 3,667.32 × 1,891.92
  4. Step 4: Simplify right side
    2,439.48x = 6,938,276.05
  5. Step 5: Solve for x
    x = 6,938,276.05/2,439.48
  6. Step 6: Final answer
    x = 2,844.16

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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.