Home / 3,275.68-4,915.57-1,327.89

Finding the Fourth Proportional to 3,275.68, 4,915.57 and 1,327.89

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Solution

The fourth proportional to 3,275.68, 4,915.57 and 1,327.89 is: 1,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.68 : 4,915.57 = 1,327.89 : x
  2. Step 2: Convert to fraction form
    3,275.68/4,915.57 = 1,327.89/x
  3. Step 3: Cross multiply
    3,275.68x = 4,915.57 × 1,327.89
  4. Step 4: Simplify right side
    3,275.68x = 6,527,336.25
  5. Step 5: Solve for x
    x = 6,527,336.25/3,275.68
  6. Step 6: Final answer
    x = 1,992.67

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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.