Home / 2,669.45-3,998.03-1,848.31

Finding the Fourth Proportional to 2,669.45, 3,998.03 and 1,848.31

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Solution

The fourth proportional to 2,669.45, 3,998.03 and 1,848.31 is: 2,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.45 : 3,998.03 = 1,848.31 : x
  2. Step 2: Convert to fraction form
    2,669.45/3,998.03 = 1,848.31/x
  3. Step 3: Cross multiply
    2,669.45x = 3,998.03 × 1,848.31
  4. Step 4: Simplify right side
    2,669.45x = 7,389,579.59
  5. Step 5: Solve for x
    x = 7,389,579.59/2,669.45
  6. Step 6: Final answer
    x = 2,768.20

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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.