Home / 2,790.42-4,181.10-1,474.11

Finding the Fourth Proportional to 2,790.42, 4,181.10 and 1,474.11

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Solution

The fourth proportional to 2,790.42, 4,181.10 and 1,474.11 is: 2,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.42 : 4,181.10 = 1,474.11 : x
  2. Step 2: Convert to fraction form
    2,790.42/4,181.10 = 1,474.11/x
  3. Step 3: Cross multiply
    2,790.42x = 4,181.10 × 1,474.11
  4. Step 4: Simplify right side
    2,790.42x = 6,163,401.32
  5. Step 5: Solve for x
    x = 6,163,401.32/2,790.42
  6. Step 6: Final answer
    x = 2,208.77

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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.