Home / 2,167.49-3,249.93-1,054.71

Finding the Fourth Proportional to 2,167.49, 3,249.93 and 1,054.71

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Solution

The fourth proportional to 2,167.49, 3,249.93 and 1,054.71 is: 1,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.49 : 3,249.93 = 1,054.71 : x
  2. Step 2: Convert to fraction form
    2,167.49/3,249.93 = 1,054.71/x
  3. Step 3: Cross multiply
    2,167.49x = 3,249.93 × 1,054.71
  4. Step 4: Simplify right side
    2,167.49x = 3,427,737.63
  5. Step 5: Solve for x
    x = 3,427,737.63/2,167.49
  6. Step 6: Final answer
    x = 1,581.43

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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.