Home / 3,245.52-4,856.88-2,421.72

Finding the Fourth Proportional to 3,245.52, 4,856.88 and 2,421.72

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Solution

The fourth proportional to 3,245.52, 4,856.88 and 2,421.72 is: 3,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.52 : 4,856.88 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    3,245.52/4,856.88 = 2,421.72/x
  3. Step 3: Cross multiply
    3,245.52x = 4,856.88 × 2,421.72
  4. Step 4: Simplify right side
    3,245.52x = 11,762,003.43
  5. Step 5: Solve for x
    x = 11,762,003.43/3,245.52
  6. Step 6: Final answer
    x = 3,624.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.