Home / 3,351.30-5,027.51-1,403.65

Finding the Fourth Proportional to 3,351.30, 5,027.51 and 1,403.65

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Solution

The fourth proportional to 3,351.30, 5,027.51 and 1,403.65 is: 2,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.30 : 5,027.51 = 1,403.65 : x
  2. Step 2: Convert to fraction form
    3,351.30/5,027.51 = 1,403.65/x
  3. Step 3: Cross multiply
    3,351.30x = 5,027.51 × 1,403.65
  4. Step 4: Simplify right side
    3,351.30x = 7,056,864.41
  5. Step 5: Solve for x
    x = 7,056,864.41/3,351.30
  6. Step 6: Final answer
    x = 2,105.71

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1.5x scale

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.