Home / 2,409.80-3,327.40-1,849.38

Finding the Fourth Proportional to 2,409.80, 3,327.40 and 1,849.38

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Solution

The fourth proportional to 2,409.80, 3,327.40 and 1,849.38 is: 2,553.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.80 : 3,327.40 = 1,849.38 : x
  2. Step 2: Convert to fraction form
    2,409.80/3,327.40 = 1,849.38/x
  3. Step 3: Cross multiply
    2,409.80x = 3,327.40 × 1,849.38
  4. Step 4: Simplify right side
    2,409.80x = 6,153,627.01
  5. Step 5: Solve for x
    x = 6,153,627.01/2,409.80
  6. Step 6: Final answer
    x = 2,553.58

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1.5x scale

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.