Home / 3,876.42-5,348.79-2,303.94

Finding the Fourth Proportional to 3,876.42, 5,348.79 and 2,303.94

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Solution

The fourth proportional to 3,876.42, 5,348.79 and 2,303.94 is: 3,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.42 : 5,348.79 = 2,303.94 : x
  2. Step 2: Convert to fraction form
    3,876.42/5,348.79 = 2,303.94/x
  3. Step 3: Cross multiply
    3,876.42x = 5,348.79 × 2,303.94
  4. Step 4: Simplify right side
    3,876.42x = 12,323,291.23
  5. Step 5: Solve for x
    x = 12,323,291.23/3,876.42
  6. Step 6: Final answer
    x = 3,179.04

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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.