Home / 1,344.39-2,015.90-466.80

Finding the Fourth Proportional to 1,344.39, 2,015.90 and 466.80

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Solution

The fourth proportional to 1,344.39, 2,015.90 and 466.80 is: 699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.39 : 2,015.90 = 466.80 : x
  2. Step 2: Convert to fraction form
    1,344.39/2,015.90 = 466.80/x
  3. Step 3: Cross multiply
    1,344.39x = 2,015.90 × 466.80
  4. Step 4: Simplify right side
    1,344.39x = 941,019.79
  5. Step 5: Solve for x
    x = 941,019.79/1,344.39
  6. Step 6: Final answer
    x = 699.96

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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.