Home / 3,391.22-5,087.85-2,803.55

Finding the Fourth Proportional to 3,391.22, 5,087.85 and 2,803.55

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Solution

The fourth proportional to 3,391.22, 5,087.85 and 2,803.55 is: 4,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.22 : 5,087.85 = 2,803.55 : x
  2. Step 2: Convert to fraction form
    3,391.22/5,087.85 = 2,803.55/x
  3. Step 3: Cross multiply
    3,391.22x = 5,087.85 × 2,803.55
  4. Step 4: Simplify right side
    3,391.22x = 14,264,023.11
  5. Step 5: Solve for x
    x = 14,264,023.11/3,391.22
  6. Step 6: Final answer
    x = 4,206.17

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1.5x scale

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.