Home / 1,924.54-2,655.90-1,138.58

Finding the Fourth Proportional to 1,924.54, 2,655.90 and 1,138.58

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Solution

The fourth proportional to 1,924.54, 2,655.90 and 1,138.58 is: 1,571.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.54 : 2,655.90 = 1,138.58 : x
  2. Step 2: Convert to fraction form
    1,924.54/2,655.90 = 1,138.58/x
  3. Step 3: Cross multiply
    1,924.54x = 2,655.90 × 1,138.58
  4. Step 4: Simplify right side
    1,924.54x = 3,023,954.62
  5. Step 5: Solve for x
    x = 3,023,954.62/1,924.54
  6. Step 6: Final answer
    x = 1,571.26

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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.