Home / 3,217.68-4,440.42-1,801.53

Finding the Fourth Proportional to 3,217.68, 4,440.42 and 1,801.53

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Solution

The fourth proportional to 3,217.68, 4,440.42 and 1,801.53 is: 2,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.68 : 4,440.42 = 1,801.53 : x
  2. Step 2: Convert to fraction form
    3,217.68/4,440.42 = 1,801.53/x
  3. Step 3: Cross multiply
    3,217.68x = 4,440.42 × 1,801.53
  4. Step 4: Simplify right side
    3,217.68x = 7,999,549.84
  5. Step 5: Solve for x
    x = 7,999,549.84/3,217.68
  6. Step 6: Final answer
    x = 2,486.12

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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.