Home / 3,689.26-5,533.53-1,380.94

Finding the Fourth Proportional to 3,689.26, 5,533.53 and 1,380.94

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Solution

The fourth proportional to 3,689.26, 5,533.53 and 1,380.94 is: 2,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.26 : 5,533.53 = 1,380.94 : x
  2. Step 2: Convert to fraction form
    3,689.26/5,533.53 = 1,380.94/x
  3. Step 3: Cross multiply
    3,689.26x = 5,533.53 × 1,380.94
  4. Step 4: Simplify right side
    3,689.26x = 7,641,472.92
  5. Step 5: Solve for x
    x = 7,641,472.92/3,689.26
  6. Step 6: Final answer
    x = 2,071.28

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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.