Home / 3,434.09-5,151.11-1,487.66

Finding the Fourth Proportional to 3,434.09, 5,151.11 and 1,487.66

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Solution

The fourth proportional to 3,434.09, 5,151.11 and 1,487.66 is: 2,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.09 : 5,151.11 = 1,487.66 : x
  2. Step 2: Convert to fraction form
    3,434.09/5,151.11 = 1,487.66/x
  3. Step 3: Cross multiply
    3,434.09x = 5,151.11 × 1,487.66
  4. Step 4: Simplify right side
    3,434.09x = 7,663,067.11
  5. Step 5: Solve for x
    x = 7,663,067.11/3,434.09
  6. Step 6: Final answer
    x = 2,231.47

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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.