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Finding the Fourth Proportional to 2,891.77, 4,329.79 and 1,502.19

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Solution

The fourth proportional to 2,891.77, 4,329.79 and 1,502.19 is: 2,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.77 : 4,329.79 = 1,502.19 : x
  2. Step 2: Convert to fraction form
    2,891.77/4,329.79 = 1,502.19/x
  3. Step 3: Cross multiply
    2,891.77x = 4,329.79 × 1,502.19
  4. Step 4: Simplify right side
    2,891.77x = 6,504,163.48
  5. Step 5: Solve for x
    x = 6,504,163.48/2,891.77
  6. Step 6: Final answer
    x = 2,249.20

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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.