Home / 3,873.19-5,344.85-2,104.76

Finding the Fourth Proportional to 3,873.19, 5,344.85 and 2,104.76

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Solution

The fourth proportional to 3,873.19, 5,344.85 and 2,104.76 is: 2,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.19 : 5,344.85 = 2,104.76 : x
  2. Step 2: Convert to fraction form
    3,873.19/5,344.85 = 2,104.76/x
  3. Step 3: Cross multiply
    3,873.19x = 5,344.85 × 2,104.76
  4. Step 4: Simplify right side
    3,873.19x = 11,249,626.49
  5. Step 5: Solve for x
    x = 11,249,626.49/3,873.19
  6. Step 6: Final answer
    x = 2,904.49

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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.