Home / 3,530.10-5,294.54-1,338.30

Finding the Fourth Proportional to 3,530.10, 5,294.54 and 1,338.30

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Solution

The fourth proportional to 3,530.10, 5,294.54 and 1,338.30 is: 2,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 5,294.54 = 1,338.30 : x
  2. Step 2: Convert to fraction form
    3,530.10/5,294.54 = 1,338.30/x
  3. Step 3: Cross multiply
    3,530.10x = 5,294.54 × 1,338.30
  4. Step 4: Simplify right side
    3,530.10x = 7,085,682.88
  5. Step 5: Solve for x
    x = 7,085,682.88/3,530.10
  6. Step 6: Final answer
    x = 2,007.22

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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.