Home / 3,207.68-4,813.44-1,840.64

Finding the Fourth Proportional to 3,207.68, 4,813.44 and 1,840.64

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Solution

The fourth proportional to 3,207.68, 4,813.44 and 1,840.64 is: 2,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.68 : 4,813.44 = 1,840.64 : x
  2. Step 2: Convert to fraction form
    3,207.68/4,813.44 = 1,840.64/x
  3. Step 3: Cross multiply
    3,207.68x = 4,813.44 × 1,840.64
  4. Step 4: Simplify right side
    3,207.68x = 8,859,810.20
  5. Step 5: Solve for x
    x = 8,859,810.20/3,207.68
  6. Step 6: Final answer
    x = 2,762.06

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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.