Home / 2,201.35-3,037.95-1,206.66

Finding the Fourth Proportional to 2,201.35, 3,037.95 and 1,206.66

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Solution

The fourth proportional to 2,201.35, 3,037.95 and 1,206.66 is: 1,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.35 : 3,037.95 = 1,206.66 : x
  2. Step 2: Convert to fraction form
    2,201.35/3,037.95 = 1,206.66/x
  3. Step 3: Cross multiply
    2,201.35x = 3,037.95 × 1,206.66
  4. Step 4: Simplify right side
    2,201.35x = 3,665,766.71
  5. Step 5: Solve for x
    x = 3,665,766.71/2,201.35
  6. Step 6: Final answer
    x = 1,665.24

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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.