Home / 2,200.99-3,037.40-1,206.31

Finding the Fourth Proportional to 2,200.99, 3,037.40 and 1,206.31

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Solution

The fourth proportional to 2,200.99, 3,037.40 and 1,206.31 is: 1,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.99 : 3,037.40 = 1,206.31 : x
  2. Step 2: Convert to fraction form
    2,200.99/3,037.40 = 1,206.31/x
  3. Step 3: Cross multiply
    2,200.99x = 3,037.40 × 1,206.31
  4. Step 4: Simplify right side
    2,200.99x = 3,664,045.99
  5. Step 5: Solve for x
    x = 3,664,045.99/2,200.99
  6. Step 6: Final answer
    x = 1,664.73

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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.