Home / 3,723.40-5,138.08-2,732.84

Finding the Fourth Proportional to 3,723.40, 5,138.08 and 2,732.84

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Solution

The fourth proportional to 3,723.40, 5,138.08 and 2,732.84 is: 3,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.40 : 5,138.08 = 2,732.84 : x
  2. Step 2: Convert to fraction form
    3,723.40/5,138.08 = 2,732.84/x
  3. Step 3: Cross multiply
    3,723.40x = 5,138.08 × 2,732.84
  4. Step 4: Simplify right side
    3,723.40x = 14,041,550.55
  5. Step 5: Solve for x
    x = 14,041,550.55/3,723.40
  6. Step 6: Final answer
    x = 3,771.16

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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.