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Finding the Fourth Proportional to 2,998.77, 4,500.51 and 2,080.77

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Solution

The fourth proportional to 2,998.77, 4,500.51 and 2,080.77 is: 3,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.77 : 4,500.51 = 2,080.77 : x
  2. Step 2: Convert to fraction form
    2,998.77/4,500.51 = 2,080.77/x
  3. Step 3: Cross multiply
    2,998.77x = 4,500.51 × 2,080.77
  4. Step 4: Simplify right side
    2,998.77x = 9,364,526.19
  5. Step 5: Solve for x
    x = 9,364,526.19/2,998.77
  6. Step 6: Final answer
    x = 3,122.79

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1.5x scale

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.