Home / 2,784.12-4,176.80-1,052.76

Finding the Fourth Proportional to 2,784.12, 4,176.80 and 1,052.76

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Solution

The fourth proportional to 2,784.12, 4,176.80 and 1,052.76 is: 1,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.12 : 4,176.80 = 1,052.76 : x
  2. Step 2: Convert to fraction form
    2,784.12/4,176.80 = 1,052.76/x
  3. Step 3: Cross multiply
    2,784.12x = 4,176.80 × 1,052.76
  4. Step 4: Simplify right side
    2,784.12x = 4,397,167.97
  5. Step 5: Solve for x
    x = 4,397,167.97/2,784.12
  6. Step 6: Final answer
    x = 1,579.37

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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.