Home / 3,919.03-5,407.40-2,324.89

Finding the Fourth Proportional to 3,919.03, 5,407.40 and 2,324.89

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Solution

The fourth proportional to 3,919.03, 5,407.40 and 2,324.89 is: 3,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.03 : 5,407.40 = 2,324.89 : x
  2. Step 2: Convert to fraction form
    3,919.03/5,407.40 = 2,324.89/x
  3. Step 3: Cross multiply
    3,919.03x = 5,407.40 × 2,324.89
  4. Step 4: Simplify right side
    3,919.03x = 12,571,598.56
  5. Step 5: Solve for x
    x = 12,571,598.56/3,919.03
  6. Step 6: Final answer
    x = 3,207.83

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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.