Home / 1,386.73-1,924.28-1,333.27

Finding the Fourth Proportional to 1,386.73, 1,924.28 and 1,333.27

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Solution

The fourth proportional to 1,386.73, 1,924.28 and 1,333.27 is: 1,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386.73 : 1,924.28 = 1,333.27 : x
  2. Step 2: Convert to fraction form
    1,386.73/1,924.28 = 1,333.27/x
  3. Step 3: Cross multiply
    1,386.73x = 1,924.28 × 1,333.27
  4. Step 4: Simplify right side
    1,386.73x = 2,565,584.80
  5. Step 5: Solve for x
    x = 2,565,584.80/1,386.73
  6. Step 6: Final answer
    x = 1,850.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.