Home / 2,750.31-4,119.96-1,654.07

Finding the Fourth Proportional to 2,750.31, 4,119.96 and 1,654.07

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Solution

The fourth proportional to 2,750.31, 4,119.96 and 1,654.07 is: 2,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.31 : 4,119.96 = 1,654.07 : x
  2. Step 2: Convert to fraction form
    2,750.31/4,119.96 = 1,654.07/x
  3. Step 3: Cross multiply
    2,750.31x = 4,119.96 × 1,654.07
  4. Step 4: Simplify right side
    2,750.31x = 6,814,681.64
  5. Step 5: Solve for x
    x = 6,814,681.64/2,750.31
  6. Step 6: Final answer
    x = 2,477.79

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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.