Home / 3,189.36-4,402.08-2,516.76

Finding the Fourth Proportional to 3,189.36, 4,402.08 and 2,516.76

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Solution

The fourth proportional to 3,189.36, 4,402.08 and 2,516.76 is: 3,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.36 : 4,402.08 = 2,516.76 : x
  2. Step 2: Convert to fraction form
    3,189.36/4,402.08 = 2,516.76/x
  3. Step 3: Cross multiply
    3,189.36x = 4,402.08 × 2,516.76
  4. Step 4: Simplify right side
    3,189.36x = 11,078,978.86
  5. Step 5: Solve for x
    x = 11,078,978.86/3,189.36
  6. Step 6: Final answer
    x = 3,473.73

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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.