Home / 2,742.34-3,784.50-1,563.52

Finding the Fourth Proportional to 2,742.34, 3,784.50 and 1,563.52

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Solution

The fourth proportional to 2,742.34, 3,784.50 and 1,563.52 is: 2,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.34 : 3,784.50 = 1,563.52 : x
  2. Step 2: Convert to fraction form
    2,742.34/3,784.50 = 1,563.52/x
  3. Step 3: Cross multiply
    2,742.34x = 3,784.50 × 1,563.52
  4. Step 4: Simplify right side
    2,742.34x = 5,917,141.44
  5. Step 5: Solve for x
    x = 5,917,141.44/2,742.34
  6. Step 6: Final answer
    x = 2,157.70

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