Home / 3,585.38-5,376.68-1,393.82

Finding the Fourth Proportional to 3,585.38, 5,376.68 and 1,393.82

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Solution

The fourth proportional to 3,585.38, 5,376.68 and 1,393.82 is: 2,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.38 : 5,376.68 = 1,393.82 : x
  2. Step 2: Convert to fraction form
    3,585.38/5,376.68 = 1,393.82/x
  3. Step 3: Cross multiply
    3,585.38x = 5,376.68 × 1,393.82
  4. Step 4: Simplify right side
    3,585.38x = 7,494,124.12
  5. Step 5: Solve for x
    x = 7,494,124.12/3,585.38
  6. Step 6: Final answer
    x = 2,090.19

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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.