Home / 3,276.51-4,912.30-1,977.67

Finding the Fourth Proportional to 3,276.51, 4,912.30 and 1,977.67

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Solution

The fourth proportional to 3,276.51, 4,912.30 and 1,977.67 is: 2,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.51 : 4,912.30 = 1,977.67 : x
  2. Step 2: Convert to fraction form
    3,276.51/4,912.30 = 1,977.67/x
  3. Step 3: Cross multiply
    3,276.51x = 4,912.30 × 1,977.67
  4. Step 4: Simplify right side
    3,276.51x = 9,714,908.34
  5. Step 5: Solve for x
    x = 9,714,908.34/3,276.51
  6. Step 6: Final answer
    x = 2,965.02

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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.