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Finding the Fourth Proportional to 2,026.13, 3,039.19 and 487.13

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Solution

The fourth proportional to 2,026.13, 3,039.19 and 487.13 is: 730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.13 : 3,039.19 = 487.13 : x
  2. Step 2: Convert to fraction form
    2,026.13/3,039.19 = 487.13/x
  3. Step 3: Cross multiply
    2,026.13x = 3,039.19 × 487.13
  4. Step 4: Simplify right side
    2,026.13x = 1,480,464.21
  5. Step 5: Solve for x
    x = 1,480,464.21/2,026.13
  6. Step 6: Final answer
    x = 730.69

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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.