Home / 3,423.71-4,724.69-1,851.80

Finding the Fourth Proportional to 3,423.71, 4,724.69 and 1,851.80

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Solution

The fourth proportional to 3,423.71, 4,724.69 and 1,851.80 is: 2,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.71 : 4,724.69 = 1,851.80 : x
  2. Step 2: Convert to fraction form
    3,423.71/4,724.69 = 1,851.80/x
  3. Step 3: Cross multiply
    3,423.71x = 4,724.69 × 1,851.80
  4. Step 4: Simplify right side
    3,423.71x = 8,749,183.49
  5. Step 5: Solve for x
    x = 8,749,183.49/3,423.71
  6. Step 6: Final answer
    x = 2,555.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.