Home / 3,604.23-5,406.21-1,139.31

Finding the Fourth Proportional to 3,604.23, 5,406.21 and 1,139.31

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Solution

The fourth proportional to 3,604.23, 5,406.21 and 1,139.31 is: 1,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.23 : 5,406.21 = 1,139.31 : x
  2. Step 2: Convert to fraction form
    3,604.23/5,406.21 = 1,139.31/x
  3. Step 3: Cross multiply
    3,604.23x = 5,406.21 × 1,139.31
  4. Step 4: Simplify right side
    3,604.23x = 6,159,349.12
  5. Step 5: Solve for x
    x = 6,159,349.12/3,604.23
  6. Step 6: Final answer
    x = 1,708.92

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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.