Home / 3,345.20-5,016.42-1,370.48

Finding the Fourth Proportional to 3,345.20, 5,016.42 and 1,370.48

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Solution

The fourth proportional to 3,345.20, 5,016.42 and 1,370.48 is: 2,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.20 : 5,016.42 = 1,370.48 : x
  2. Step 2: Convert to fraction form
    3,345.20/5,016.42 = 1,370.48/x
  3. Step 3: Cross multiply
    3,345.20x = 5,016.42 × 1,370.48
  4. Step 4: Simplify right side
    3,345.20x = 6,874,903.28
  5. Step 5: Solve for x
    x = 6,874,903.28/3,345.20
  6. Step 6: Final answer
    x = 2,055.15

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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.