Home / 2,253.39-3,376.85-1,277.43

Finding the Fourth Proportional to 2,253.39, 3,376.85 and 1,277.43

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Solution

The fourth proportional to 2,253.39, 3,376.85 and 1,277.43 is: 1,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.39 : 3,376.85 = 1,277.43 : x
  2. Step 2: Convert to fraction form
    2,253.39/3,376.85 = 1,277.43/x
  3. Step 3: Cross multiply
    2,253.39x = 3,376.85 × 1,277.43
  4. Step 4: Simplify right side
    2,253.39x = 4,313,683.11
  5. Step 5: Solve for x
    x = 4,313,683.11/2,253.39
  6. Step 6: Final answer
    x = 1,914.31

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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.