Home / 3,872.99-5,344.67-2,104.55

Finding the Fourth Proportional to 3,872.99, 5,344.67 and 2,104.55

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Solution

The fourth proportional to 3,872.99, 5,344.67 and 2,104.55 is: 2,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.99 : 5,344.67 = 2,104.55 : x
  2. Step 2: Convert to fraction form
    3,872.99/5,344.67 = 2,104.55/x
  3. Step 3: Cross multiply
    3,872.99x = 5,344.67 × 2,104.55
  4. Step 4: Simplify right side
    3,872.99x = 11,248,088.00
  5. Step 5: Solve for x
    x = 11,248,088.00/3,872.99
  6. Step 6: Final answer
    x = 2,904.24

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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.