Home / 3,258.90-4,495.87-2,180.88

Finding the Fourth Proportional to 3,258.90, 4,495.87 and 2,180.88

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Solution

The fourth proportional to 3,258.90, 4,495.87 and 2,180.88 is: 3,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.90 : 4,495.87 = 2,180.88 : x
  2. Step 2: Convert to fraction form
    3,258.90/4,495.87 = 2,180.88/x
  3. Step 3: Cross multiply
    3,258.90x = 4,495.87 × 2,180.88
  4. Step 4: Simplify right side
    3,258.90x = 9,804,952.97
  5. Step 5: Solve for x
    x = 9,804,952.97/3,258.90
  6. Step 6: Final answer
    x = 3,008.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.