Home / 3,585.48-5,380.70-1,394.22

Finding the Fourth Proportional to 3,585.48, 5,380.70 and 1,394.22

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Solution

The fourth proportional to 3,585.48, 5,380.70 and 1,394.22 is: 2,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.48 : 5,380.70 = 1,394.22 : x
  2. Step 2: Convert to fraction form
    3,585.48/5,380.70 = 1,394.22/x
  3. Step 3: Cross multiply
    3,585.48x = 5,380.70 × 1,394.22
  4. Step 4: Simplify right side
    3,585.48x = 7,501,892.76
  5. Step 5: Solve for x
    x = 7,501,892.76/3,585.48
  6. Step 6: Final answer
    x = 2,092.30

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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.