Home / 2,171.61-3,258.97-1,479.67

Finding the Fourth Proportional to 2,171.61, 3,258.97 and 1,479.67

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Solution

The fourth proportional to 2,171.61, 3,258.97 and 1,479.67 is: 2,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.61 : 3,258.97 = 1,479.67 : x
  2. Step 2: Convert to fraction form
    2,171.61/3,258.97 = 1,479.67/x
  3. Step 3: Cross multiply
    2,171.61x = 3,258.97 × 1,479.67
  4. Step 4: Simplify right side
    2,171.61x = 4,822,188.29
  5. Step 5: Solve for x
    x = 4,822,188.29/2,171.61
  6. Step 6: Final answer
    x = 2,220.56

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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.