Home / 3,143.12-4,716.45-2,895.26

Finding the Fourth Proportional to 3,143.12, 4,716.45 and 2,895.26

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Solution

The fourth proportional to 3,143.12, 4,716.45 and 2,895.26 is: 4,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.12 : 4,716.45 = 2,895.26 : x
  2. Step 2: Convert to fraction form
    3,143.12/4,716.45 = 2,895.26/x
  3. Step 3: Cross multiply
    3,143.12x = 4,716.45 × 2,895.26
  4. Step 4: Simplify right side
    3,143.12x = 13,655,349.03
  5. Step 5: Solve for x
    x = 13,655,349.03/3,143.12
  6. Step 6: Final answer
    x = 4,344.52

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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.