Home / 4,270.39-6,406.76-2,080.35

Finding the Fourth Proportional to 4,270.39, 6,406.76 and 2,080.35

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Solution

The fourth proportional to 4,270.39, 6,406.76 and 2,080.35 is: 3,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.39 : 6,406.76 = 2,080.35 : x
  2. Step 2: Convert to fraction form
    4,270.39/6,406.76 = 2,080.35/x
  3. Step 3: Cross multiply
    4,270.39x = 6,406.76 × 2,080.35
  4. Step 4: Simplify right side
    4,270.39x = 13,328,308.37
  5. Step 5: Solve for x
    x = 13,328,308.37/4,270.39
  6. Step 6: Final answer
    x = 3,121.10

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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.