Home / 3,515.64-4,862.22-3,141.96

Finding the Fourth Proportional to 3,515.64, 4,862.22 and 3,141.96

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Solution

The fourth proportional to 3,515.64, 4,862.22 and 3,141.96 is: 4,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.64 : 4,862.22 = 3,141.96 : x
  2. Step 2: Convert to fraction form
    3,515.64/4,862.22 = 3,141.96/x
  3. Step 3: Cross multiply
    3,515.64x = 4,862.22 × 3,141.96
  4. Step 4: Simplify right side
    3,515.64x = 15,276,900.75
  5. Step 5: Solve for x
    x = 15,276,900.75/3,515.64
  6. Step 6: Final answer
    x = 4,345.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.