Home / 3,370.10-5,055.15-2,203.70

Finding the Fourth Proportional to 3,370.10, 5,055.15 and 2,203.70

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Solution

The fourth proportional to 3,370.10, 5,055.15 and 2,203.70 is: 3,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.10 : 5,055.15 = 2,203.70 : x
  2. Step 2: Convert to fraction form
    3,370.10/5,055.15 = 2,203.70/x
  3. Step 3: Cross multiply
    3,370.10x = 5,055.15 × 2,203.70
  4. Step 4: Simplify right side
    3,370.10x = 11,140,034.06
  5. Step 5: Solve for x
    x = 11,140,034.06/3,370.10
  6. Step 6: Final answer
    x = 3,305.55

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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.