Home / 3,256.20-4,881.47-1,867.66

Finding the Fourth Proportional to 3,256.20, 4,881.47 and 1,867.66

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Solution

The fourth proportional to 3,256.20, 4,881.47 and 1,867.66 is: 2,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.20 : 4,881.47 = 1,867.66 : x
  2. Step 2: Convert to fraction form
    3,256.20/4,881.47 = 1,867.66/x
  3. Step 3: Cross multiply
    3,256.20x = 4,881.47 × 1,867.66
  4. Step 4: Simplify right side
    3,256.20x = 9,116,904.72
  5. Step 5: Solve for x
    x = 9,116,904.72/3,256.20
  6. Step 6: Final answer
    x = 2,799.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.