Home / 3,101.04-4,645.36-1,867.80

Finding the Fourth Proportional to 3,101.04, 4,645.36 and 1,867.80

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Solution

The fourth proportional to 3,101.04, 4,645.36 and 1,867.80 is: 2,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.04 : 4,645.36 = 1,867.80 : x
  2. Step 2: Convert to fraction form
    3,101.04/4,645.36 = 1,867.80/x
  3. Step 3: Cross multiply
    3,101.04x = 4,645.36 × 1,867.80
  4. Step 4: Simplify right side
    3,101.04x = 8,676,603.41
  5. Step 5: Solve for x
    x = 8,676,603.41/3,101.04
  6. Step 6: Final answer
    x = 2,797.97

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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.