Home / 2,200.02-3,035.85-1,205.28

Finding the Fourth Proportional to 2,200.02, 3,035.85 and 1,205.28

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Solution

The fourth proportional to 2,200.02, 3,035.85 and 1,205.28 is: 1,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.02 : 3,035.85 = 1,205.28 : x
  2. Step 2: Convert to fraction form
    2,200.02/3,035.85 = 1,205.28/x
  3. Step 3: Cross multiply
    2,200.02x = 3,035.85 × 1,205.28
  4. Step 4: Simplify right side
    2,200.02x = 3,659,049.29
  5. Step 5: Solve for x
    x = 3,659,049.29/2,200.02
  6. Step 6: Final answer
    x = 1,663.19

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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.