Home / 3,266.13-4,896.68-1,621.40

Finding the Fourth Proportional to 3,266.13, 4,896.68 and 1,621.40

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Solution

The fourth proportional to 3,266.13, 4,896.68 and 1,621.40 is: 2,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.13 : 4,896.68 = 1,621.40 : x
  2. Step 2: Convert to fraction form
    3,266.13/4,896.68 = 1,621.40/x
  3. Step 3: Cross multiply
    3,266.13x = 4,896.68 × 1,621.40
  4. Step 4: Simplify right side
    3,266.13x = 7,939,493.25
  5. Step 5: Solve for x
    x = 7,939,493.25/3,266.13
  6. Step 6: Final answer
    x = 2,430.86

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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.