Home / 3,370.32-5,057.55-1,290.51

Finding the Fourth Proportional to 3,370.32, 5,057.55 and 1,290.51

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Solution

The fourth proportional to 3,370.32, 5,057.55 and 1,290.51 is: 1,936.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.32 : 5,057.55 = 1,290.51 : x
  2. Step 2: Convert to fraction form
    3,370.32/5,057.55 = 1,290.51/x
  3. Step 3: Cross multiply
    3,370.32x = 5,057.55 × 1,290.51
  4. Step 4: Simplify right side
    3,370.32x = 6,526,818.85
  5. Step 5: Solve for x
    x = 6,526,818.85/3,370.32
  6. Step 6: Final answer
    x = 1,936.56

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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.