Home / 3,877.11-5,351.93-2,748.68

Finding the Fourth Proportional to 3,877.11, 5,351.93 and 2,748.68

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Solution

The fourth proportional to 3,877.11, 5,351.93 and 2,748.68 is: 3,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.11 : 5,351.93 = 2,748.68 : x
  2. Step 2: Convert to fraction form
    3,877.11/5,351.93 = 2,748.68/x
  3. Step 3: Cross multiply
    3,877.11x = 5,351.93 × 2,748.68
  4. Step 4: Simplify right side
    3,877.11x = 14,710,702.45
  5. Step 5: Solve for x
    x = 14,710,702.45/3,877.11
  6. Step 6: Final answer
    x = 3,794.25

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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.