Home / 2,200.87-3,037.12-1,206.19

Finding the Fourth Proportional to 2,200.87, 3,037.12 and 1,206.19

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Solution

The fourth proportional to 2,200.87, 3,037.12 and 1,206.19 is: 1,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.87 : 3,037.12 = 1,206.19 : x
  2. Step 2: Convert to fraction form
    2,200.87/3,037.12 = 1,206.19/x
  3. Step 3: Cross multiply
    2,200.87x = 3,037.12 × 1,206.19
  4. Step 4: Simplify right side
    2,200.87x = 3,663,343.77
  5. Step 5: Solve for x
    x = 3,663,343.77/2,200.87
  6. Step 6: Final answer
    x = 1,664.50

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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.