Home / 2,037.92-2,812.58-1,198.58

Finding the Fourth Proportional to 2,037.92, 2,812.58 and 1,198.58

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Solution

The fourth proportional to 2,037.92, 2,812.58 and 1,198.58 is: 1,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.92 : 2,812.58 = 1,198.58 : x
  2. Step 2: Convert to fraction form
    2,037.92/2,812.58 = 1,198.58/x
  3. Step 3: Cross multiply
    2,037.92x = 2,812.58 × 1,198.58
  4. Step 4: Simplify right side
    2,037.92x = 3,371,106.17
  5. Step 5: Solve for x
    x = 3,371,106.17/2,037.92
  6. Step 6: Final answer
    x = 1,654.19

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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.