Home / 3,838.10-5,303.16-2,961.44

Finding the Fourth Proportional to 3,838.10, 5,303.16 and 2,961.44

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Solution

The fourth proportional to 3,838.10, 5,303.16 and 2,961.44 is: 4,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.10 : 5,303.16 = 2,961.44 : x
  2. Step 2: Convert to fraction form
    3,838.10/5,303.16 = 2,961.44/x
  3. Step 3: Cross multiply
    3,838.10x = 5,303.16 × 2,961.44
  4. Step 4: Simplify right side
    3,838.10x = 15,704,990.15
  5. Step 5: Solve for x
    x = 15,704,990.15/3,838.10
  6. Step 6: Final answer
    x = 4,091.87

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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.