Home / 1,563.14-2,157.30-1,169.48

Finding the Fourth Proportional to 1,563.14, 2,157.30 and 1,169.48

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Solution

The fourth proportional to 1,563.14, 2,157.30 and 1,169.48 is: 1,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.14 : 2,157.30 = 1,169.48 : x
  2. Step 2: Convert to fraction form
    1,563.14/2,157.30 = 1,169.48/x
  3. Step 3: Cross multiply
    1,563.14x = 2,157.30 × 1,169.48
  4. Step 4: Simplify right side
    1,563.14x = 2,522,919.20
  5. Step 5: Solve for x
    x = 2,522,919.20/1,563.14
  6. Step 6: Final answer
    x = 1,614.01

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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.