Home / 3,055.97-4,217.22-1,729.71

Finding the Fourth Proportional to 3,055.97, 4,217.22 and 1,729.71

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Solution

The fourth proportional to 3,055.97, 4,217.22 and 1,729.71 is: 2,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.97 : 4,217.22 = 1,729.71 : x
  2. Step 2: Convert to fraction form
    3,055.97/4,217.22 = 1,729.71/x
  3. Step 3: Cross multiply
    3,055.97x = 4,217.22 × 1,729.71
  4. Step 4: Simplify right side
    3,055.97x = 7,294,567.61
  5. Step 5: Solve for x
    x = 7,294,567.61/3,055.97
  6. Step 6: Final answer
    x = 2,386.99

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1.5x scale

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.