Home / 2,445.19-3,667.78-985.37

Finding the Fourth Proportional to 2,445.19, 3,667.78 and 985.37

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Solution

The fourth proportional to 2,445.19, 3,667.78 and 985.37 is: 1,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.19 : 3,667.78 = 985.37 : x
  2. Step 2: Convert to fraction form
    2,445.19/3,667.78 = 985.37/x
  3. Step 3: Cross multiply
    2,445.19x = 3,667.78 × 985.37
  4. Step 4: Simplify right side
    2,445.19x = 3,614,103.27
  5. Step 5: Solve for x
    x = 3,614,103.27/2,445.19
  6. Step 6: Final answer
    x = 1,478.05

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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.