Home / 1,549.92-2,133.36-1,284.96

Finding the Fourth Proportional to 1,549.92, 2,133.36 and 1,284.96

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Solution

The fourth proportional to 1,549.92, 2,133.36 and 1,284.96 is: 1,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.92 : 2,133.36 = 1,284.96 : x
  2. Step 2: Convert to fraction form
    1,549.92/2,133.36 = 1,284.96/x
  3. Step 3: Cross multiply
    1,549.92x = 2,133.36 × 1,284.96
  4. Step 4: Simplify right side
    1,549.92x = 2,741,282.27
  5. Step 5: Solve for x
    x = 2,741,282.27/1,549.92
  6. Step 6: Final answer
    x = 1,768.66

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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.