Home / 3,059.46-4,221.80-1,732.90

Finding the Fourth Proportional to 3,059.46, 4,221.80 and 1,732.90

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Solution

The fourth proportional to 3,059.46, 4,221.80 and 1,732.90 is: 2,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.46 : 4,221.80 = 1,732.90 : x
  2. Step 2: Convert to fraction form
    3,059.46/4,221.80 = 1,732.90/x
  3. Step 3: Cross multiply
    3,059.46x = 4,221.80 × 1,732.90
  4. Step 4: Simplify right side
    3,059.46x = 7,315,957.22
  5. Step 5: Solve for x
    x = 7,315,957.22/3,059.46
  6. Step 6: Final answer
    x = 2,391.26

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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.