Home / 3,873.17-5,344.90-2,104.79

Finding the Fourth Proportional to 3,873.17, 5,344.90 and 2,104.79

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Solution

The fourth proportional to 3,873.17, 5,344.90 and 2,104.79 is: 2,904.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.17 : 5,344.90 = 2,104.79 : x
  2. Step 2: Convert to fraction form
    3,873.17/5,344.90 = 2,104.79/x
  3. Step 3: Cross multiply
    3,873.17x = 5,344.90 × 2,104.79
  4. Step 4: Simplify right side
    3,873.17x = 11,249,871.92
  5. Step 5: Solve for x
    x = 11,249,871.92/3,873.17
  6. Step 6: Final answer
    x = 2,904.57

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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.