Home / 3,839.64-5,298.66-2,267.70

Finding the Fourth Proportional to 3,839.64, 5,298.66 and 2,267.70

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Solution

The fourth proportional to 3,839.64, 5,298.66 and 2,267.70 is: 3,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.64 : 5,298.66 = 2,267.70 : x
  2. Step 2: Convert to fraction form
    3,839.64/5,298.66 = 2,267.70/x
  3. Step 3: Cross multiply
    3,839.64x = 5,298.66 × 2,267.70
  4. Step 4: Simplify right side
    3,839.64x = 12,015,771.28
  5. Step 5: Solve for x
    x = 12,015,771.28/3,839.64
  6. Step 6: Final answer
    x = 3,129.40

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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.