Home / 4,000.34-5,520.36-2,321.65

Finding the Fourth Proportional to 4,000.34, 5,520.36 and 2,321.65

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Solution

The fourth proportional to 4,000.34, 5,520.36 and 2,321.65 is: 3,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.34 : 5,520.36 = 2,321.65 : x
  2. Step 2: Convert to fraction form
    4,000.34/5,520.36 = 2,321.65/x
  3. Step 3: Cross multiply
    4,000.34x = 5,520.36 × 2,321.65
  4. Step 4: Simplify right side
    4,000.34x = 12,816,343.79
  5. Step 5: Solve for x
    x = 12,816,343.79/4,000.34
  6. Step 6: Final answer
    x = 3,203.81

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Half scale
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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.