Home / 3,475.53-5,209.65-2,921.49

Finding the Fourth Proportional to 3,475.53, 5,209.65 and 2,921.49

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Solution

The fourth proportional to 3,475.53, 5,209.65 and 2,921.49 is: 4,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.53 : 5,209.65 = 2,921.49 : x
  2. Step 2: Convert to fraction form
    3,475.53/5,209.65 = 2,921.49/x
  3. Step 3: Cross multiply
    3,475.53x = 5,209.65 × 2,921.49
  4. Step 4: Simplify right side
    3,475.53x = 15,219,940.38
  5. Step 5: Solve for x
    x = 15,219,940.38/3,475.53
  6. Step 6: Final answer
    x = 4,379.17

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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.