Home / 2,291.68-3,436.83-1,195.45

Finding the Fourth Proportional to 2,291.68, 3,436.83 and 1,195.45

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Solution

The fourth proportional to 2,291.68, 3,436.83 and 1,195.45 is: 1,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.68 : 3,436.83 = 1,195.45 : x
  2. Step 2: Convert to fraction form
    2,291.68/3,436.83 = 1,195.45/x
  3. Step 3: Cross multiply
    2,291.68x = 3,436.83 × 1,195.45
  4. Step 4: Simplify right side
    2,291.68x = 4,108,541.24
  5. Step 5: Solve for x
    x = 4,108,541.24/2,291.68
  6. Step 6: Final answer
    x = 1,792.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.