Home / 3,029.67-4,542.89-1,639.71

Finding the Fourth Proportional to 3,029.67, 4,542.89 and 1,639.71

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Solution

The fourth proportional to 3,029.67, 4,542.89 and 1,639.71 is: 2,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.67 : 4,542.89 = 1,639.71 : x
  2. Step 2: Convert to fraction form
    3,029.67/4,542.89 = 1,639.71/x
  3. Step 3: Cross multiply
    3,029.67x = 4,542.89 × 1,639.71
  4. Step 4: Simplify right side
    3,029.67x = 7,449,013.96
  5. Step 5: Solve for x
    x = 7,449,013.96/3,029.67
  6. Step 6: Final answer
    x = 2,458.69

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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.