Home / 1,774.60-2,656.38-1,255.24

Finding the Fourth Proportional to 1,774.60, 2,656.38 and 1,255.24

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Solution

The fourth proportional to 1,774.60, 2,656.38 and 1,255.24 is: 1,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.60 : 2,656.38 = 1,255.24 : x
  2. Step 2: Convert to fraction form
    1,774.60/2,656.38 = 1,255.24/x
  3. Step 3: Cross multiply
    1,774.60x = 2,656.38 × 1,255.24
  4. Step 4: Simplify right side
    1,774.60x = 3,334,394.43
  5. Step 5: Solve for x
    x = 3,334,394.43/1,774.60
  6. Step 6: Final answer
    x = 1,878.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.