Home / 3,911.64-5,396.56-2,495.08

Finding the Fourth Proportional to 3,911.64, 5,396.56 and 2,495.08

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Solution

The fourth proportional to 3,911.64, 5,396.56 and 2,495.08 is: 3,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.64 : 5,396.56 = 2,495.08 : x
  2. Step 2: Convert to fraction form
    3,911.64/5,396.56 = 2,495.08/x
  3. Step 3: Cross multiply
    3,911.64x = 5,396.56 × 2,495.08
  4. Step 4: Simplify right side
    3,911.64x = 13,464,848.92
  5. Step 5: Solve for x
    x = 13,464,848.92/3,911.64
  6. Step 6: Final answer
    x = 3,442.25

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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.