Home / 3,217.88-4,440.76-1,801.56

Finding the Fourth Proportional to 3,217.88, 4,440.76 and 1,801.56

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Solution

The fourth proportional to 3,217.88, 4,440.76 and 1,801.56 is: 2,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.88 : 4,440.76 = 1,801.56 : x
  2. Step 2: Convert to fraction form
    3,217.88/4,440.76 = 1,801.56/x
  3. Step 3: Cross multiply
    3,217.88x = 4,440.76 × 1,801.56
  4. Step 4: Simplify right side
    3,217.88x = 8,000,291.08
  5. Step 5: Solve for x
    x = 8,000,291.08/3,217.88
  6. Step 6: Final answer
    x = 2,486.20

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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.