Home / 3,227.61-4,842.78-1,765.05

Finding the Fourth Proportional to 3,227.61, 4,842.78 and 1,765.05

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Solution

The fourth proportional to 3,227.61, 4,842.78 and 1,765.05 is: 2,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.61 : 4,842.78 = 1,765.05 : x
  2. Step 2: Convert to fraction form
    3,227.61/4,842.78 = 1,765.05/x
  3. Step 3: Cross multiply
    3,227.61x = 4,842.78 × 1,765.05
  4. Step 4: Simplify right side
    3,227.61x = 8,547,748.84
  5. Step 5: Solve for x
    x = 8,547,748.84/3,227.61
  6. Step 6: Final answer
    x = 2,648.32

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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.