Home / 3,207.30-4,798.80-2,113.80

Finding the Fourth Proportional to 3,207.30, 4,798.80 and 2,113.80

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Solution

The fourth proportional to 3,207.30, 4,798.80 and 2,113.80 is: 3,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.30 : 4,798.80 = 2,113.80 : x
  2. Step 2: Convert to fraction form
    3,207.30/4,798.80 = 2,113.80/x
  3. Step 3: Cross multiply
    3,207.30x = 4,798.80 × 2,113.80
  4. Step 4: Simplify right side
    3,207.30x = 10,143,703.44
  5. Step 5: Solve for x
    x = 10,143,703.44/3,207.30
  6. Step 6: Final answer
    x = 3,162.69

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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.