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Finding the Fourth Proportional to 2,849.69, 4,276.16 and 2,276.21

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Solution

The fourth proportional to 2,849.69, 4,276.16 and 2,276.21 is: 3,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.69 : 4,276.16 = 2,276.21 : x
  2. Step 2: Convert to fraction form
    2,849.69/4,276.16 = 2,276.21/x
  3. Step 3: Cross multiply
    2,849.69x = 4,276.16 × 2,276.21
  4. Step 4: Simplify right side
    2,849.69x = 9,733,454.53
  5. Step 5: Solve for x
    x = 9,733,454.53/2,849.69
  6. Step 6: Final answer
    x = 3,415.62

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1.5x scale

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.