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Finding the Fourth Proportional to 2,800.80, 4,198.77 and 1,501.02

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Solution

The fourth proportional to 2,800.80, 4,198.77 and 1,501.02 is: 2,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.80 : 4,198.77 = 1,501.02 : x
  2. Step 2: Convert to fraction form
    2,800.80/4,198.77 = 1,501.02/x
  3. Step 3: Cross multiply
    2,800.80x = 4,198.77 × 1,501.02
  4. Step 4: Simplify right side
    2,800.80x = 6,302,437.75
  5. Step 5: Solve for x
    x = 6,302,437.75/2,800.80
  6. Step 6: Final answer
    x = 2,250.23

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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.