Home / 2,200.57-3,037.74-1,316.21

Finding the Fourth Proportional to 2,200.57, 3,037.74 and 1,316.21

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Solution

The fourth proportional to 2,200.57, 3,037.74 and 1,316.21 is: 1,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.57 : 3,037.74 = 1,316.21 : x
  2. Step 2: Convert to fraction form
    2,200.57/3,037.74 = 1,316.21/x
  3. Step 3: Cross multiply
    2,200.57x = 3,037.74 × 1,316.21
  4. Step 4: Simplify right side
    2,200.57x = 3,998,288.58
  5. Step 5: Solve for x
    x = 3,998,288.58/2,200.57
  6. Step 6: Final answer
    x = 1,816.93

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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.