Home / 2,041.38-2,816.96-1,157.22

Finding the Fourth Proportional to 2,041.38, 2,816.96 and 1,157.22

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Solution

The fourth proportional to 2,041.38, 2,816.96 and 1,157.22 is: 1,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.38 : 2,816.96 = 1,157.22 : x
  2. Step 2: Convert to fraction form
    2,041.38/2,816.96 = 1,157.22/x
  3. Step 3: Cross multiply
    2,041.38x = 2,816.96 × 1,157.22
  4. Step 4: Simplify right side
    2,041.38x = 3,259,836.67
  5. Step 5: Solve for x
    x = 3,259,836.67/2,041.38
  6. Step 6: Final answer
    x = 1,596.88

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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.