Home / 3,877.97-5,351.63-2,284.67

Finding the Fourth Proportional to 3,877.97, 5,351.63 and 2,284.67

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Solution

The fourth proportional to 3,877.97, 5,351.63 and 2,284.67 is: 3,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.97 : 5,351.63 = 2,284.67 : x
  2. Step 2: Convert to fraction form
    3,877.97/5,351.63 = 2,284.67/x
  3. Step 3: Cross multiply
    3,877.97x = 5,351.63 × 2,284.67
  4. Step 4: Simplify right side
    3,877.97x = 12,226,708.51
  5. Step 5: Solve for x
    x = 12,226,708.51/3,877.97
  6. Step 6: Final answer
    x = 3,152.86

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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.