Home / 3,877.81-5,349.95-2,481.37

Finding the Fourth Proportional to 3,877.81, 5,349.95 and 2,481.37

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Solution

The fourth proportional to 3,877.81, 5,349.95 and 2,481.37 is: 3,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.81 : 5,349.95 = 2,481.37 : x
  2. Step 2: Convert to fraction form
    3,877.81/5,349.95 = 2,481.37/x
  3. Step 3: Cross multiply
    3,877.81x = 5,349.95 × 2,481.37
  4. Step 4: Simplify right side
    3,877.81x = 13,275,188.95
  5. Step 5: Solve for x
    x = 13,275,188.95/3,877.81
  6. Step 6: Final answer
    x = 3,423.37

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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.