Home / 3,447.12-5,163.51-2,860.74

Finding the Fourth Proportional to 3,447.12, 5,163.51 and 2,860.74

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Solution

The fourth proportional to 3,447.12, 5,163.51 and 2,860.74 is: 4,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.12 : 5,163.51 = 2,860.74 : x
  2. Step 2: Convert to fraction form
    3,447.12/5,163.51 = 2,860.74/x
  3. Step 3: Cross multiply
    3,447.12x = 5,163.51 × 2,860.74
  4. Step 4: Simplify right side
    3,447.12x = 14,771,459.60
  5. Step 5: Solve for x
    x = 14,771,459.60/3,447.12
  6. Step 6: Final answer
    x = 4,285.16

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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.