Home / 3,345.24-5,012.82-1,396.92

Finding the Fourth Proportional to 3,345.24, 5,012.82 and 1,396.92

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Solution

The fourth proportional to 3,345.24, 5,012.82 and 1,396.92 is: 2,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.24 : 5,012.82 = 1,396.92 : x
  2. Step 2: Convert to fraction form
    3,345.24/5,012.82 = 1,396.92/x
  3. Step 3: Cross multiply
    3,345.24x = 5,012.82 × 1,396.92
  4. Step 4: Simplify right side
    3,345.24x = 7,002,508.51
  5. Step 5: Solve for x
    x = 7,002,508.51/3,345.24
  6. Step 6: Final answer
    x = 2,093.28

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1.5x scale

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.