Home / 3,327.56-4,587.36-2,380.40

Finding the Fourth Proportional to 3,327.56, 4,587.36 and 2,380.40

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Solution

The fourth proportional to 3,327.56, 4,587.36 and 2,380.40 is: 3,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.56 : 4,587.36 = 2,380.40 : x
  2. Step 2: Convert to fraction form
    3,327.56/4,587.36 = 2,380.40/x
  3. Step 3: Cross multiply
    3,327.56x = 4,587.36 × 2,380.40
  4. Step 4: Simplify right side
    3,327.56x = 10,919,751.74
  5. Step 5: Solve for x
    x = 10,919,751.74/3,327.56
  6. Step 6: Final answer
    x = 3,281.61

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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.