Home / 3,573.10-5,359.35-1,107.87

Finding the Fourth Proportional to 3,573.10, 5,359.35 and 1,107.87

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Solution

The fourth proportional to 3,573.10, 5,359.35 and 1,107.87 is: 1,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.10 : 5,359.35 = 1,107.87 : x
  2. Step 2: Convert to fraction form
    3,573.10/5,359.35 = 1,107.87/x
  3. Step 3: Cross multiply
    3,573.10x = 5,359.35 × 1,107.87
  4. Step 4: Simplify right side
    3,573.10x = 5,937,463.08
  5. Step 5: Solve for x
    x = 5,937,463.08/3,573.10
  6. Step 6: Final answer
    x = 1,661.71

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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.