Home / 3,410.16-5,105.16-2,485.68

Finding the Fourth Proportional to 3,410.16, 5,105.16 and 2,485.68

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Solution

The fourth proportional to 3,410.16, 5,105.16 and 2,485.68 is: 3,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.16 : 5,105.16 = 2,485.68 : x
  2. Step 2: Convert to fraction form
    3,410.16/5,105.16 = 2,485.68/x
  3. Step 3: Cross multiply
    3,410.16x = 5,105.16 × 2,485.68
  4. Step 4: Simplify right side
    3,410.16x = 12,689,794.11
  5. Step 5: Solve for x
    x = 12,689,794.11/3,410.16
  6. Step 6: Final answer
    x = 3,721.17

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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.