Home / 2,808.13-3,875.20-1,549.24

Finding the Fourth Proportional to 2,808.13, 3,875.20 and 1,549.24

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Solution

The fourth proportional to 2,808.13, 3,875.20 and 1,549.24 is: 2,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.13 : 3,875.20 = 1,549.24 : x
  2. Step 2: Convert to fraction form
    2,808.13/3,875.20 = 1,549.24/x
  3. Step 3: Cross multiply
    2,808.13x = 3,875.20 × 1,549.24
  4. Step 4: Simplify right side
    2,808.13x = 6,003,614.85
  5. Step 5: Solve for x
    x = 6,003,614.85/2,808.13
  6. Step 6: Final answer
    x = 2,137.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.