Home / 3,728.54-5,586.33-1,994.06

Finding the Fourth Proportional to 3,728.54, 5,586.33 and 1,994.06

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Solution

The fourth proportional to 3,728.54, 5,586.33 and 1,994.06 is: 2,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.54 : 5,586.33 = 1,994.06 : x
  2. Step 2: Convert to fraction form
    3,728.54/5,586.33 = 1,994.06/x
  3. Step 3: Cross multiply
    3,728.54x = 5,586.33 × 1,994.06
  4. Step 4: Simplify right side
    3,728.54x = 11,139,477.20
  5. Step 5: Solve for x
    x = 11,139,477.20/3,728.54
  6. Step 6: Final answer
    x = 2,987.62

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1.5x scale

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.