Home / 3,119.99-4,304.07-2,177.96

Finding the Fourth Proportional to 3,119.99, 4,304.07 and 2,177.96

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Solution

The fourth proportional to 3,119.99, 4,304.07 and 2,177.96 is: 3,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.99 : 4,304.07 = 2,177.96 : x
  2. Step 2: Convert to fraction form
    3,119.99/4,304.07 = 2,177.96/x
  3. Step 3: Cross multiply
    3,119.99x = 4,304.07 × 2,177.96
  4. Step 4: Simplify right side
    3,119.99x = 9,374,070.78
  5. Step 5: Solve for x
    x = 9,374,070.78/3,119.99
  6. Step 6: Final answer
    x = 3,004.52

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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.