Home / 3,276.40-4,521.14-1,949.89

Finding the Fourth Proportional to 3,276.40, 4,521.14 and 1,949.89

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Solution

The fourth proportional to 3,276.40, 4,521.14 and 1,949.89 is: 2,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.40 : 4,521.14 = 1,949.89 : x
  2. Step 2: Convert to fraction form
    3,276.40/4,521.14 = 1,949.89/x
  3. Step 3: Cross multiply
    3,276.40x = 4,521.14 × 1,949.89
  4. Step 4: Simplify right side
    3,276.40x = 8,815,715.93
  5. Step 5: Solve for x
    x = 8,815,715.93/3,276.40
  6. Step 6: Final answer
    x = 2,690.67

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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.