Home / 2,847.44-3,926.72-2,531.76

Finding the Fourth Proportional to 2,847.44, 3,926.72 and 2,531.76

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Solution

The fourth proportional to 2,847.44, 3,926.72 and 2,531.76 is: 3,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.44 : 3,926.72 = 2,531.76 : x
  2. Step 2: Convert to fraction form
    2,847.44/3,926.72 = 2,531.76/x
  3. Step 3: Cross multiply
    2,847.44x = 3,926.72 × 2,531.76
  4. Step 4: Simplify right side
    2,847.44x = 9,941,512.63
  5. Step 5: Solve for x
    x = 9,941,512.63/2,847.44
  6. Step 6: Final answer
    x = 3,491.39

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1.5x scale

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.