Home / 2,551.56-3,827.36-1,396.68

Finding the Fourth Proportional to 2,551.56, 3,827.36 and 1,396.68

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Solution

The fourth proportional to 2,551.56, 3,827.36 and 1,396.68 is: 2,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.56 : 3,827.36 = 1,396.68 : x
  2. Step 2: Convert to fraction form
    2,551.56/3,827.36 = 1,396.68/x
  3. Step 3: Cross multiply
    2,551.56x = 3,827.36 × 1,396.68
  4. Step 4: Simplify right side
    2,551.56x = 5,345,597.16
  5. Step 5: Solve for x
    x = 5,345,597.16/2,551.56
  6. Step 6: Final answer
    x = 2,095.03

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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.