Home / 2,517.36-3,776.12-2,405.04

Finding the Fourth Proportional to 2,517.36, 3,776.12 and 2,405.04

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Solution

The fourth proportional to 2,517.36, 3,776.12 and 2,405.04 is: 3,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.36 : 3,776.12 = 2,405.04 : x
  2. Step 2: Convert to fraction form
    2,517.36/3,776.12 = 2,405.04/x
  3. Step 3: Cross multiply
    2,517.36x = 3,776.12 × 2,405.04
  4. Step 4: Simplify right side
    2,517.36x = 9,081,719.64
  5. Step 5: Solve for x
    x = 9,081,719.64/2,517.36
  6. Step 6: Final answer
    x = 3,607.64

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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.