Home / 2,217.11-3,326.40-1,479.67

Finding the Fourth Proportional to 2,217.11, 3,326.40 and 1,479.67

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Solution

The fourth proportional to 2,217.11, 3,326.40 and 1,479.67 is: 2,220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.11 : 3,326.40 = 1,479.67 : x
  2. Step 2: Convert to fraction form
    2,217.11/3,326.40 = 1,479.67/x
  3. Step 3: Cross multiply
    2,217.11x = 3,326.40 × 1,479.67
  4. Step 4: Simplify right side
    2,217.11x = 4,921,965.97
  5. Step 5: Solve for x
    x = 4,921,965.97/2,217.11
  6. Step 6: Final answer
    x = 2,220.00

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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.