Home / 3,339.22-4,609.56-2,162.20

Finding the Fourth Proportional to 3,339.22, 4,609.56 and 2,162.20

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Solution

The fourth proportional to 3,339.22, 4,609.56 and 2,162.20 is: 2,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.22 : 4,609.56 = 2,162.20 : x
  2. Step 2: Convert to fraction form
    3,339.22/4,609.56 = 2,162.20/x
  3. Step 3: Cross multiply
    3,339.22x = 4,609.56 × 2,162.20
  4. Step 4: Simplify right side
    3,339.22x = 9,966,790.63
  5. Step 5: Solve for x
    x = 9,966,790.63/3,339.22
  6. Step 6: Final answer
    x = 2,984.77

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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.