Home / 2,874.42-4,311.52-926.67

Finding the Fourth Proportional to 2,874.42, 4,311.52 and 926.67

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Solution

The fourth proportional to 2,874.42, 4,311.52 and 926.67 is: 1,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.42 : 4,311.52 = 926.67 : x
  2. Step 2: Convert to fraction form
    2,874.42/4,311.52 = 926.67/x
  3. Step 3: Cross multiply
    2,874.42x = 4,311.52 × 926.67
  4. Step 4: Simplify right side
    2,874.42x = 3,995,356.24
  5. Step 5: Solve for x
    x = 3,995,356.24/2,874.42
  6. Step 6: Final answer
    x = 1,389.97

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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.