Home / 3,486.78-5,232.33-2,560.05

Finding the Fourth Proportional to 3,486.78, 5,232.33 and 2,560.05

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Solution

The fourth proportional to 3,486.78, 5,232.33 and 2,560.05 is: 3,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.78 : 5,232.33 = 2,560.05 : x
  2. Step 2: Convert to fraction form
    3,486.78/5,232.33 = 2,560.05/x
  3. Step 3: Cross multiply
    3,486.78x = 5,232.33 × 2,560.05
  4. Step 4: Simplify right side
    3,486.78x = 13,395,026.42
  5. Step 5: Solve for x
    x = 13,395,026.42/3,486.78
  6. Step 6: Final answer
    x = 3,841.66

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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.