Home / 3,630.31-5,430.22-3,059.86

Finding the Fourth Proportional to 3,630.31, 5,430.22 and 3,059.86

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Solution

The fourth proportional to 3,630.31, 5,430.22 and 3,059.86 is: 4,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.31 : 5,430.22 = 3,059.86 : x
  2. Step 2: Convert to fraction form
    3,630.31/5,430.22 = 3,059.86/x
  3. Step 3: Cross multiply
    3,630.31x = 5,430.22 × 3,059.86
  4. Step 4: Simplify right side
    3,630.31x = 16,615,712.97
  5. Step 5: Solve for x
    x = 16,615,712.97/3,630.31
  6. Step 6: Final answer
    x = 4,576.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.