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Finding the Fourth Proportional to 3,260.99, 4,494.80 and 2,670.50

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Solution

The fourth proportional to 3,260.99, 4,494.80 and 2,670.50 is: 3,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.99 : 4,494.80 = 2,670.50 : x
  2. Step 2: Convert to fraction form
    3,260.99/4,494.80 = 2,670.50/x
  3. Step 3: Cross multiply
    3,260.99x = 4,494.80 × 2,670.50
  4. Step 4: Simplify right side
    3,260.99x = 12,003,363.40
  5. Step 5: Solve for x
    x = 12,003,363.40/3,260.99
  6. Step 6: Final answer
    x = 3,680.90

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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.