Home / 1,773.28-2,447.32-1,074.64

Finding the Fourth Proportional to 1,773.28, 2,447.32 and 1,074.64

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Solution

The fourth proportional to 1,773.28, 2,447.32 and 1,074.64 is: 1,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.28 : 2,447.32 = 1,074.64 : x
  2. Step 2: Convert to fraction form
    1,773.28/2,447.32 = 1,074.64/x
  3. Step 3: Cross multiply
    1,773.28x = 2,447.32 × 1,074.64
  4. Step 4: Simplify right side
    1,773.28x = 2,629,987.96
  5. Step 5: Solve for x
    x = 2,629,987.96/1,773.28
  6. Step 6: Final answer
    x = 1,483.12

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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.