Home / 1,683.08-2,324.73-1,187.93

Finding the Fourth Proportional to 1,683.08, 2,324.73 and 1,187.93

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Solution

The fourth proportional to 1,683.08, 2,324.73 and 1,187.93 is: 1,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.08 : 2,324.73 = 1,187.93 : x
  2. Step 2: Convert to fraction form
    1,683.08/2,324.73 = 1,187.93/x
  3. Step 3: Cross multiply
    1,683.08x = 2,324.73 × 1,187.93
  4. Step 4: Simplify right side
    1,683.08x = 2,761,614.46
  5. Step 5: Solve for x
    x = 2,761,614.46/1,683.08
  6. Step 6: Final answer
    x = 1,640.81

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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.