Home / 3,148.69-4,723.11-1,505.41

Finding the Fourth Proportional to 3,148.69, 4,723.11 and 1,505.41

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Solution

The fourth proportional to 3,148.69, 4,723.11 and 1,505.41 is: 2,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.69 : 4,723.11 = 1,505.41 : x
  2. Step 2: Convert to fraction form
    3,148.69/4,723.11 = 1,505.41/x
  3. Step 3: Cross multiply
    3,148.69x = 4,723.11 × 1,505.41
  4. Step 4: Simplify right side
    3,148.69x = 7,110,217.03
  5. Step 5: Solve for x
    x = 7,110,217.03/3,148.69
  6. Step 6: Final answer
    x = 2,258.15

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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.