Home / 3,101.81-4,648.61-2,276.21

Finding the Fourth Proportional to 3,101.81, 4,648.61 and 2,276.21

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Solution

The fourth proportional to 3,101.81, 4,648.61 and 2,276.21 is: 3,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.81 : 4,648.61 = 2,276.21 : x
  2. Step 2: Convert to fraction form
    3,101.81/4,648.61 = 2,276.21/x
  3. Step 3: Cross multiply
    3,101.81x = 4,648.61 × 2,276.21
  4. Step 4: Simplify right side
    3,101.81x = 10,581,212.57
  5. Step 5: Solve for x
    x = 10,581,212.57/3,101.81
  6. Step 6: Final answer
    x = 3,411.30

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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.