Home / 2,201.02-3,037.40-1,206.30

Finding the Fourth Proportional to 2,201.02, 3,037.40 and 1,206.30

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Solution

The fourth proportional to 2,201.02, 3,037.40 and 1,206.30 is: 1,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.02 : 3,037.40 = 1,206.30 : x
  2. Step 2: Convert to fraction form
    2,201.02/3,037.40 = 1,206.30/x
  3. Step 3: Cross multiply
    2,201.02x = 3,037.40 × 1,206.30
  4. Step 4: Simplify right side
    2,201.02x = 3,664,015.62
  5. Step 5: Solve for x
    x = 3,664,015.62/2,201.02
  6. Step 6: Final answer
    x = 1,664.69

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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.