Home / 1,983.38-2,736.93-1,099.13

Finding the Fourth Proportional to 1,983.38, 2,736.93 and 1,099.13

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Solution

The fourth proportional to 1,983.38, 2,736.93 and 1,099.13 is: 1,516.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.38 : 2,736.93 = 1,099.13 : x
  2. Step 2: Convert to fraction form
    1,983.38/2,736.93 = 1,099.13/x
  3. Step 3: Cross multiply
    1,983.38x = 2,736.93 × 1,099.13
  4. Step 4: Simplify right side
    1,983.38x = 3,008,228.19
  5. Step 5: Solve for x
    x = 3,008,228.19/1,983.38
  6. Step 6: Final answer
    x = 1,516.72

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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.