Home / 3,201.67-4,417.56-1,942.70

Finding the Fourth Proportional to 3,201.67, 4,417.56 and 1,942.70

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Solution

The fourth proportional to 3,201.67, 4,417.56 and 1,942.70 is: 2,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.67 : 4,417.56 = 1,942.70 : x
  2. Step 2: Convert to fraction form
    3,201.67/4,417.56 = 1,942.70/x
  3. Step 3: Cross multiply
    3,201.67x = 4,417.56 × 1,942.70
  4. Step 4: Simplify right side
    3,201.67x = 8,581,980.42
  5. Step 5: Solve for x
    x = 8,581,980.42/3,201.67
  6. Step 6: Final answer
    x = 2,680.47

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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.