Home / 3,217.84-4,440.70-1,801.50

Finding the Fourth Proportional to 3,217.84, 4,440.70 and 1,801.50

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Solution

The fourth proportional to 3,217.84, 4,440.70 and 1,801.50 is: 2,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.84 : 4,440.70 = 1,801.50 : x
  2. Step 2: Convert to fraction form
    3,217.84/4,440.70 = 1,801.50/x
  3. Step 3: Cross multiply
    3,217.84x = 4,440.70 × 1,801.50
  4. Step 4: Simplify right side
    3,217.84x = 7,999,921.05
  5. Step 5: Solve for x
    x = 7,999,921.05/3,217.84
  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.