Home / 3,442.03-5,161.29-1,684.40

Finding the Fourth Proportional to 3,442.03, 5,161.29 and 1,684.40

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Solution

The fourth proportional to 3,442.03, 5,161.29 and 1,684.40 is: 2,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.03 : 5,161.29 = 1,684.40 : x
  2. Step 2: Convert to fraction form
    3,442.03/5,161.29 = 1,684.40/x
  3. Step 3: Cross multiply
    3,442.03x = 5,161.29 × 1,684.40
  4. Step 4: Simplify right side
    3,442.03x = 8,693,644.75
  5. Step 5: Solve for x
    x = 8,693,644.75/3,442.03
  6. Step 6: Final answer
    x = 2,525.73

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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.