Home / 3,585.60-5,376.78-1,119.83

Finding the Fourth Proportional to 3,585.60, 5,376.78 and 1,119.83

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Solution

The fourth proportional to 3,585.60, 5,376.78 and 1,119.83 is: 1,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.60 : 5,376.78 = 1,119.83 : x
  2. Step 2: Convert to fraction form
    3,585.60/5,376.78 = 1,119.83/x
  3. Step 3: Cross multiply
    3,585.60x = 5,376.78 × 1,119.83
  4. Step 4: Simplify right side
    3,585.60x = 6,021,052.66
  5. Step 5: Solve for x
    x = 6,021,052.66/3,585.60
  6. Step 6: Final answer
    x = 1,679.23

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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.