Home / 3,351.40-5,023.50-1,403.08

Finding the Fourth Proportional to 3,351.40, 5,023.50 and 1,403.08

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Solution

The fourth proportional to 3,351.40, 5,023.50 and 1,403.08 is: 2,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.40 : 5,023.50 = 1,403.08 : x
  2. Step 2: Convert to fraction form
    3,351.40/5,023.50 = 1,403.08/x
  3. Step 3: Cross multiply
    3,351.40x = 5,023.50 × 1,403.08
  4. Step 4: Simplify right side
    3,351.40x = 7,048,372.38
  5. Step 5: Solve for x
    x = 7,048,372.38/3,351.40
  6. Step 6: Final answer
    x = 2,103.11

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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.