Home / 3,013.96-4,157.46-1,909.96

Finding the Fourth Proportional to 3,013.96, 4,157.46 and 1,909.96

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Solution

The fourth proportional to 3,013.96, 4,157.46 and 1,909.96 is: 2,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.96 : 4,157.46 = 1,909.96 : x
  2. Step 2: Convert to fraction form
    3,013.96/4,157.46 = 1,909.96/x
  3. Step 3: Cross multiply
    3,013.96x = 4,157.46 × 1,909.96
  4. Step 4: Simplify right side
    3,013.96x = 7,940,582.30
  5. Step 5: Solve for x
    x = 7,940,582.30/3,013.96
  6. Step 6: Final answer
    x = 2,634.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.