Home / 3,574.08-5,356.14-2,790.54

Finding the Fourth Proportional to 3,574.08, 5,356.14 and 2,790.54

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Solution

The fourth proportional to 3,574.08, 5,356.14 and 2,790.54 is: 4,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.08 : 5,356.14 = 2,790.54 : x
  2. Step 2: Convert to fraction form
    3,574.08/5,356.14 = 2,790.54/x
  3. Step 3: Cross multiply
    3,574.08x = 5,356.14 × 2,790.54
  4. Step 4: Simplify right side
    3,574.08x = 14,946,522.92
  5. Step 5: Solve for x
    x = 14,946,522.92/3,574.08
  6. Step 6: Final answer
    x = 4,181.92

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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.