Home / 3,371.29-5,053.66-1,289.69

Finding the Fourth Proportional to 3,371.29, 5,053.66 and 1,289.69

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Solution

The fourth proportional to 3,371.29, 5,053.66 and 1,289.69 is: 1,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.29 : 5,053.66 = 1,289.69 : x
  2. Step 2: Convert to fraction form
    3,371.29/5,053.66 = 1,289.69/x
  3. Step 3: Cross multiply
    3,371.29x = 5,053.66 × 1,289.69
  4. Step 4: Simplify right side
    3,371.29x = 6,517,654.77
  5. Step 5: Solve for x
    x = 6,517,654.77/3,371.29
  6. Step 6: Final answer
    x = 1,933.29

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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.