Home / 3,612.99-4,986.27-2,196.36

Finding the Fourth Proportional to 3,612.99, 4,986.27 and 2,196.36

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Solution

The fourth proportional to 3,612.99, 4,986.27 and 2,196.36 is: 3,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.99 : 4,986.27 = 2,196.36 : x
  2. Step 2: Convert to fraction form
    3,612.99/4,986.27 = 2,196.36/x
  3. Step 3: Cross multiply
    3,612.99x = 4,986.27 × 2,196.36
  4. Step 4: Simplify right side
    3,612.99x = 10,951,643.98
  5. Step 5: Solve for x
    x = 10,951,643.98/3,612.99
  6. Step 6: Final answer
    x = 3,031.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.