Home / 3,585.11-5,378.01-1,394.01

Finding the Fourth Proportional to 3,585.11, 5,378.01 and 1,394.01

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Solution

The fourth proportional to 3,585.11, 5,378.01 and 1,394.01 is: 2,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.11 : 5,378.01 = 1,394.01 : x
  2. Step 2: Convert to fraction form
    3,585.11/5,378.01 = 1,394.01/x
  3. Step 3: Cross multiply
    3,585.11x = 5,378.01 × 1,394.01
  4. Step 4: Simplify right side
    3,585.11x = 7,496,999.72
  5. Step 5: Solve for x
    x = 7,496,999.72/3,585.11
  6. Step 6: Final answer
    x = 2,091.15

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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.