Home / 3,377.34-4,659.90-2,119.02

Finding the Fourth Proportional to 3,377.34, 4,659.90 and 2,119.02

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Solution

The fourth proportional to 3,377.34, 4,659.90 and 2,119.02 is: 2,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.34 : 4,659.90 = 2,119.02 : x
  2. Step 2: Convert to fraction form
    3,377.34/4,659.90 = 2,119.02/x
  3. Step 3: Cross multiply
    3,377.34x = 4,659.90 × 2,119.02
  4. Step 4: Simplify right side
    3,377.34x = 9,874,421.30
  5. Step 5: Solve for x
    x = 9,874,421.30/3,377.34
  6. Step 6: Final answer
    x = 2,923.73

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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.