Home / 3,207.18-4,804.38-2,108.22

Finding the Fourth Proportional to 3,207.18, 4,804.38 and 2,108.22

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Solution

The fourth proportional to 3,207.18, 4,804.38 and 2,108.22 is: 3,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.18 : 4,804.38 = 2,108.22 : x
  2. Step 2: Convert to fraction form
    3,207.18/4,804.38 = 2,108.22/x
  3. Step 3: Cross multiply
    3,207.18x = 4,804.38 × 2,108.22
  4. Step 4: Simplify right side
    3,207.18x = 10,128,690.00
  5. Step 5: Solve for x
    x = 10,128,690.00/3,207.18
  6. Step 6: Final answer
    x = 3,158.13

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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.