Home / 3,059.40-4,221.92-1,662.14

Finding the Fourth Proportional to 3,059.40, 4,221.92 and 1,662.14

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Solution

The fourth proportional to 3,059.40, 4,221.92 and 1,662.14 is: 2,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.40 : 4,221.92 = 1,662.14 : x
  2. Step 2: Convert to fraction form
    3,059.40/4,221.92 = 1,662.14/x
  3. Step 3: Cross multiply
    3,059.40x = 4,221.92 × 1,662.14
  4. Step 4: Simplify right side
    3,059.40x = 7,017,422.11
  5. Step 5: Solve for x
    x = 7,017,422.11/3,059.40
  6. Step 6: Final answer
    x = 2,293.72

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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.