Home / 1,945.29-2,683.13-1,199.01

Finding the Fourth Proportional to 1,945.29, 2,683.13 and 1,199.01

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Solution

The fourth proportional to 1,945.29, 2,683.13 and 1,199.01 is: 1,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.29 : 2,683.13 = 1,199.01 : x
  2. Step 2: Convert to fraction form
    1,945.29/2,683.13 = 1,199.01/x
  3. Step 3: Cross multiply
    1,945.29x = 2,683.13 × 1,199.01
  4. Step 4: Simplify right side
    1,945.29x = 3,217,099.70
  5. Step 5: Solve for x
    x = 3,217,099.70/1,945.29
  6. Step 6: Final answer
    x = 1,653.79

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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.