Home / 3,122.32-4,676.12-2,903.62

Finding the Fourth Proportional to 3,122.32, 4,676.12 and 2,903.62

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Solution

The fourth proportional to 3,122.32, 4,676.12 and 2,903.62 is: 4,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.32 : 4,676.12 = 2,903.62 : x
  2. Step 2: Convert to fraction form
    3,122.32/4,676.12 = 2,903.62/x
  3. Step 3: Cross multiply
    3,122.32x = 4,676.12 × 2,903.62
  4. Step 4: Simplify right side
    3,122.32x = 13,577,675.55
  5. Step 5: Solve for x
    x = 13,577,675.55/3,122.32
  6. Step 6: Final answer
    x = 4,348.59

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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.