Home / 3,148.87-4,695.79-2,760.67

Finding the Fourth Proportional to 3,148.87, 4,695.79 and 2,760.67

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Solution

The fourth proportional to 3,148.87, 4,695.79 and 2,760.67 is: 4,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.87 : 4,695.79 = 2,760.67 : x
  2. Step 2: Convert to fraction form
    3,148.87/4,695.79 = 2,760.67/x
  3. Step 3: Cross multiply
    3,148.87x = 4,695.79 × 2,760.67
  4. Step 4: Simplify right side
    3,148.87x = 12,963,489.30
  5. Step 5: Solve for x
    x = 12,963,489.30/3,148.87
  6. Step 6: Final answer
    x = 4,116.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.