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Finding the Fourth Proportional to 3,009.57, 4,508.29 and 2,520.87

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Solution

The fourth proportional to 3,009.57, 4,508.29 and 2,520.87 is: 3,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.57 : 4,508.29 = 2,520.87 : x
  2. Step 2: Convert to fraction form
    3,009.57/4,508.29 = 2,520.87/x
  3. Step 3: Cross multiply
    3,009.57x = 4,508.29 × 2,520.87
  4. Step 4: Simplify right side
    3,009.57x = 11,364,813.01
  5. Step 5: Solve for x
    x = 11,364,813.01/3,009.57
  6. Step 6: Final answer
    x = 3,776.22

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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.