Home / 1,358.92-2,028.52-1,194.90

Finding the Fourth Proportional to 1,358.92, 2,028.52 and 1,194.90

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Solution

The fourth proportional to 1,358.92, 2,028.52 and 1,194.90 is: 1,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.92 : 2,028.52 = 1,194.90 : x
  2. Step 2: Convert to fraction form
    1,358.92/2,028.52 = 1,194.90/x
  3. Step 3: Cross multiply
    1,358.92x = 2,028.52 × 1,194.90
  4. Step 4: Simplify right side
    1,358.92x = 2,423,878.55
  5. Step 5: Solve for x
    x = 2,423,878.55/1,358.92
  6. Step 6: Final answer
    x = 1,783.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.