Home / 1,944.92-2,683.74-1,158.38

Finding the Fourth Proportional to 1,944.92, 2,683.74 and 1,158.38

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Solution

The fourth proportional to 1,944.92, 2,683.74 and 1,158.38 is: 1,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.92 : 2,683.74 = 1,158.38 : x
  2. Step 2: Convert to fraction form
    1,944.92/2,683.74 = 1,158.38/x
  3. Step 3: Cross multiply
    1,944.92x = 2,683.74 × 1,158.38
  4. Step 4: Simplify right side
    1,944.92x = 3,108,790.74
  5. Step 5: Solve for x
    x = 3,108,790.74/1,944.92
  6. Step 6: Final answer
    x = 1,598.42

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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.