Home / 4,018.20-6,026.40-2,641.20

Finding the Fourth Proportional to 4,018.20, 6,026.40 and 2,641.20

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Solution

The fourth proportional to 4,018.20, 6,026.40 and 2,641.20 is: 3,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.20 : 6,026.40 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    4,018.20/6,026.40 = 2,641.20/x
  3. Step 3: Cross multiply
    4,018.20x = 6,026.40 × 2,641.20
  4. Step 4: Simplify right side
    4,018.20x = 15,916,927.68
  5. Step 5: Solve for x
    x = 15,916,927.68/4,018.20
  6. Step 6: Final answer
    x = 3,961.21

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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.