Home / 3,180.69-4,767.99-1,424.71

Finding the Fourth Proportional to 3,180.69, 4,767.99 and 1,424.71

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Solution

The fourth proportional to 3,180.69, 4,767.99 and 1,424.71 is: 2,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.69 : 4,767.99 = 1,424.71 : x
  2. Step 2: Convert to fraction form
    3,180.69/4,767.99 = 1,424.71/x
  3. Step 3: Cross multiply
    3,180.69x = 4,767.99 × 1,424.71
  4. Step 4: Simplify right side
    3,180.69x = 6,793,003.03
  5. Step 5: Solve for x
    x = 6,793,003.03/3,180.69
  6. Step 6: Final answer
    x = 2,135.70

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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.