Home / 2,186.92-3,020-1,402.33

Finding the Fourth Proportional to 2,186.92, 3,020 and 1,402.33

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Solution

The fourth proportional to 2,186.92, 3,020 and 1,402.33 is: 1,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.92 : 3,020 = 1,402.33 : x
  2. Step 2: Convert to fraction form
    2,186.92/3,020 = 1,402.33/x
  3. Step 3: Cross multiply
    2,186.92x = 3,020 × 1,402.33
  4. Step 4: Simplify right side
    2,186.92x = 4,235,036.60
  5. Step 5: Solve for x
    x = 4,235,036.60/2,186.92
  6. Step 6: Final answer
    x = 1,936.53

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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.