Home / 2,021.54-3,032.31-1,252.58

Finding the Fourth Proportional to 2,021.54, 3,032.31 and 1,252.58

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Solution

The fourth proportional to 2,021.54, 3,032.31 and 1,252.58 is: 1,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.54 : 3,032.31 = 1,252.58 : x
  2. Step 2: Convert to fraction form
    2,021.54/3,032.31 = 1,252.58/x
  3. Step 3: Cross multiply
    2,021.54x = 3,032.31 × 1,252.58
  4. Step 4: Simplify right side
    2,021.54x = 3,798,210.86
  5. Step 5: Solve for x
    x = 3,798,210.86/2,021.54
  6. Step 6: Final answer
    x = 1,878.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.