Home / 2,447.40-3,667.32-1,828.20

Finding the Fourth Proportional to 2,447.40, 3,667.32 and 1,828.20

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Solution

The fourth proportional to 2,447.40, 3,667.32 and 1,828.20 is: 2,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.40 : 3,667.32 = 1,828.20 : x
  2. Step 2: Convert to fraction form
    2,447.40/3,667.32 = 1,828.20/x
  3. Step 3: Cross multiply
    2,447.40x = 3,667.32 × 1,828.20
  4. Step 4: Simplify right side
    2,447.40x = 6,704,594.42
  5. Step 5: Solve for x
    x = 6,704,594.42/2,447.40
  6. Step 6: Final answer
    x = 2,739.48

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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.