Home / 3,572.21-5,358.81-1,107.23

Finding the Fourth Proportional to 3,572.21, 5,358.81 and 1,107.23

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Solution

The fourth proportional to 3,572.21, 5,358.81 and 1,107.23 is: 1,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.21 : 5,358.81 = 1,107.23 : x
  2. Step 2: Convert to fraction form
    3,572.21/5,358.81 = 1,107.23/x
  3. Step 3: Cross multiply
    3,572.21x = 5,358.81 × 1,107.23
  4. Step 4: Simplify right side
    3,572.21x = 5,933,408.40
  5. Step 5: Solve for x
    x = 5,933,408.40/3,572.21
  6. Step 6: Final answer
    x = 1,660.99

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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.