Home / 1,924.20-2,654.69-1,261.42

Finding the Fourth Proportional to 1,924.20, 2,654.69 and 1,261.42

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Solution

The fourth proportional to 1,924.20, 2,654.69 and 1,261.42 is: 1,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.20 : 2,654.69 = 1,261.42 : x
  2. Step 2: Convert to fraction form
    1,924.20/2,654.69 = 1,261.42/x
  3. Step 3: Cross multiply
    1,924.20x = 2,654.69 × 1,261.42
  4. Step 4: Simplify right side
    1,924.20x = 3,348,666.12
  5. Step 5: Solve for x
    x = 3,348,666.12/1,924.20
  6. Step 6: Final answer
    x = 1,740.29

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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.