Home / 3,911.04-5,396.16-2,418.24

Finding the Fourth Proportional to 3,911.04, 5,396.16 and 2,418.24

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Solution

The fourth proportional to 3,911.04, 5,396.16 and 2,418.24 is: 3,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.04 : 5,396.16 = 2,418.24 : x
  2. Step 2: Convert to fraction form
    3,911.04/5,396.16 = 2,418.24/x
  3. Step 3: Cross multiply
    3,911.04x = 5,396.16 × 2,418.24
  4. Step 4: Simplify right side
    3,911.04x = 13,049,209.96
  5. Step 5: Solve for x
    x = 13,049,209.96/3,911.04
  6. Step 6: Final answer
    x = 3,336.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.