Home / 3,290.12-4,532.66-2,293.60

Finding the Fourth Proportional to 3,290.12, 4,532.66 and 2,293.60

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Solution

The fourth proportional to 3,290.12, 4,532.66 and 2,293.60 is: 3,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.12 : 4,532.66 = 2,293.60 : x
  2. Step 2: Convert to fraction form
    3,290.12/4,532.66 = 2,293.60/x
  3. Step 3: Cross multiply
    3,290.12x = 4,532.66 × 2,293.60
  4. Step 4: Simplify right side
    3,290.12x = 10,396,108.98
  5. Step 5: Solve for x
    x = 10,396,108.98/3,290.12
  6. Step 6: Final answer
    x = 3,159.80

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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.