Home / 3,311.45-4,962.56-2,488.76

Finding the Fourth Proportional to 3,311.45, 4,962.56 and 2,488.76

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Solution

The fourth proportional to 3,311.45, 4,962.56 and 2,488.76 is: 3,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.45 : 4,962.56 = 2,488.76 : x
  2. Step 2: Convert to fraction form
    3,311.45/4,962.56 = 2,488.76/x
  3. Step 3: Cross multiply
    3,311.45x = 4,962.56 × 2,488.76
  4. Step 4: Simplify right side
    3,311.45x = 12,350,633.23
  5. Step 5: Solve for x
    x = 12,350,633.23/3,311.45
  6. Step 6: Final answer
    x = 3,729.67

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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.