Home / 2,808.93-4,215.30-1,577.43

Finding the Fourth Proportional to 2,808.93, 4,215.30 and 1,577.43

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Solution

The fourth proportional to 2,808.93, 4,215.30 and 1,577.43 is: 2,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.93 : 4,215.30 = 1,577.43 : x
  2. Step 2: Convert to fraction form
    2,808.93/4,215.30 = 1,577.43/x
  3. Step 3: Cross multiply
    2,808.93x = 4,215.30 × 1,577.43
  4. Step 4: Simplify right side
    2,808.93x = 6,649,340.68
  5. Step 5: Solve for x
    x = 6,649,340.68/2,808.93
  6. Step 6: Final answer
    x = 2,367.21

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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.