Home / 3,572.10-5,358.38-1,108.54

Finding the Fourth Proportional to 3,572.10, 5,358.38 and 1,108.54

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Solution

The fourth proportional to 3,572.10, 5,358.38 and 1,108.54 is: 1,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.10 : 5,358.38 = 1,108.54 : x
  2. Step 2: Convert to fraction form
    3,572.10/5,358.38 = 1,108.54/x
  3. Step 3: Cross multiply
    3,572.10x = 5,358.38 × 1,108.54
  4. Step 4: Simplify right side
    3,572.10x = 5,939,952.70
  5. Step 5: Solve for x
    x = 5,939,952.70/3,572.10
  6. Step 6: Final answer
    x = 1,662.87

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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.