Home / 2,240.48-3,357.40-939.60

Finding the Fourth Proportional to 2,240.48, 3,357.40 and 939.60

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Solution

The fourth proportional to 2,240.48, 3,357.40 and 939.60 is: 1,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.48 : 3,357.40 = 939.60 : x
  2. Step 2: Convert to fraction form
    2,240.48/3,357.40 = 939.60/x
  3. Step 3: Cross multiply
    2,240.48x = 3,357.40 × 939.60
  4. Step 4: Simplify right side
    2,240.48x = 3,154,613.04
  5. Step 5: Solve for x
    x = 3,154,613.04/2,240.48
  6. Step 6: Final answer
    x = 1,408.01

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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.