Home / 3,298.03-4,549.30-2,178.97

Finding the Fourth Proportional to 3,298.03, 4,549.30 and 2,178.97

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Solution

The fourth proportional to 3,298.03, 4,549.30 and 2,178.97 is: 3,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.03 : 4,549.30 = 2,178.97 : x
  2. Step 2: Convert to fraction form
    3,298.03/4,549.30 = 2,178.97/x
  3. Step 3: Cross multiply
    3,298.03x = 4,549.30 × 2,178.97
  4. Step 4: Simplify right side
    3,298.03x = 9,912,788.22
  5. Step 5: Solve for x
    x = 9,912,788.22/3,298.03
  6. Step 6: Final answer
    x = 3,005.67

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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.