Home / 3,430.10-5,145.11-833.04

Finding the Fourth Proportional to 3,430.10, 5,145.11 and 833.04

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Solution

The fourth proportional to 3,430.10, 5,145.11 and 833.04 is: 1,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.10 : 5,145.11 = 833.04 : x
  2. Step 2: Convert to fraction form
    3,430.10/5,145.11 = 833.04/x
  3. Step 3: Cross multiply
    3,430.10x = 5,145.11 × 833.04
  4. Step 4: Simplify right side
    3,430.10x = 4,286,052.54
  5. Step 5: Solve for x
    x = 4,286,052.54/3,430.10
  6. Step 6: Final answer
    x = 1,249.54

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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.