Home / 2,742.24-3,784.21-1,563.26

Finding the Fourth Proportional to 2,742.24, 3,784.21 and 1,563.26

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Solution

The fourth proportional to 2,742.24, 3,784.21 and 1,563.26 is: 2,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.24 : 3,784.21 = 1,563.26 : x
  2. Step 2: Convert to fraction form
    2,742.24/3,784.21 = 1,563.26/x
  3. Step 3: Cross multiply
    2,742.24x = 3,784.21 × 1,563.26
  4. Step 4: Simplify right side
    2,742.24x = 5,915,681.30
  5. Step 5: Solve for x
    x = 5,915,681.30/2,742.24
  6. Step 6: Final answer
    x = 2,157.24

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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.