Home / 3,689.43-5,533.33-1,091.49

Finding the Fourth Proportional to 3,689.43, 5,533.33 and 1,091.49

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Solution

The fourth proportional to 3,689.43, 5,533.33 and 1,091.49 is: 1,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.43 : 5,533.33 = 1,091.49 : x
  2. Step 2: Convert to fraction form
    3,689.43/5,533.33 = 1,091.49/x
  3. Step 3: Cross multiply
    3,689.43x = 5,533.33 × 1,091.49
  4. Step 4: Simplify right side
    3,689.43x = 6,039,574.36
  5. Step 5: Solve for x
    x = 6,039,574.36/3,689.43
  6. Step 6: Final answer
    x = 1,636.99

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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.