Home / 2,216.28-3,319.29-1,103.67

Finding the Fourth Proportional to 2,216.28, 3,319.29 and 1,103.67

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Solution

The fourth proportional to 2,216.28, 3,319.29 and 1,103.67 is: 1,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.28 : 3,319.29 = 1,103.67 : x
  2. Step 2: Convert to fraction form
    2,216.28/3,319.29 = 1,103.67/x
  3. Step 3: Cross multiply
    2,216.28x = 3,319.29 × 1,103.67
  4. Step 4: Simplify right side
    2,216.28x = 3,663,400.79
  5. Step 5: Solve for x
    x = 3,663,400.79/2,216.28
  6. Step 6: Final answer
    x = 1,652.95

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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.