Home / 2,622.08-3,933.16-674.30

Finding the Fourth Proportional to 2,622.08, 3,933.16 and 674.30

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Solution

The fourth proportional to 2,622.08, 3,933.16 and 674.30 is: 1,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.08 : 3,933.16 = 674.30 : x
  2. Step 2: Convert to fraction form
    2,622.08/3,933.16 = 674.30/x
  3. Step 3: Cross multiply
    2,622.08x = 3,933.16 × 674.30
  4. Step 4: Simplify right side
    2,622.08x = 2,652,108.44
  5. Step 5: Solve for x
    x = 2,652,108.44/2,622.08
  6. Step 6: Final answer
    x = 1,011.45

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1.5x scale

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.