Home / 2,914.24-4,372.80-2,135.02

Finding the Fourth Proportional to 2,914.24, 4,372.80 and 2,135.02

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Solution

The fourth proportional to 2,914.24, 4,372.80 and 2,135.02 is: 3,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.24 : 4,372.80 = 2,135.02 : x
  2. Step 2: Convert to fraction form
    2,914.24/4,372.80 = 2,135.02/x
  3. Step 3: Cross multiply
    2,914.24x = 4,372.80 × 2,135.02
  4. Step 4: Simplify right side
    2,914.24x = 9,336,015.46
  5. Step 5: Solve for x
    x = 9,336,015.46/2,914.24
  6. Step 6: Final answer
    x = 3,203.58

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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.