Home / 2,572.56-3,855.36-1,182.84

Finding the Fourth Proportional to 2,572.56, 3,855.36 and 1,182.84

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Solution

The fourth proportional to 2,572.56, 3,855.36 and 1,182.84 is: 1,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.56 : 3,855.36 = 1,182.84 : x
  2. Step 2: Convert to fraction form
    2,572.56/3,855.36 = 1,182.84/x
  3. Step 3: Cross multiply
    2,572.56x = 3,855.36 × 1,182.84
  4. Step 4: Simplify right side
    2,572.56x = 4,560,274.02
  5. Step 5: Solve for x
    x = 4,560,274.02/2,572.56
  6. Step 6: Final answer
    x = 1,772.66

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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.