Home / 3,094.12-4,635.24-1,920.64

Finding the Fourth Proportional to 3,094.12, 4,635.24 and 1,920.64

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Solution

The fourth proportional to 3,094.12, 4,635.24 and 1,920.64 is: 2,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.12 : 4,635.24 = 1,920.64 : x
  2. Step 2: Convert to fraction form
    3,094.12/4,635.24 = 1,920.64/x
  3. Step 3: Cross multiply
    3,094.12x = 4,635.24 × 1,920.64
  4. Step 4: Simplify right side
    3,094.12x = 8,902,627.35
  5. Step 5: Solve for x
    x = 8,902,627.35/3,094.12
  6. Step 6: Final answer
    x = 2,877.27

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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.