Home / 2,847.44-4,237.96-2,820.08

Finding the Fourth Proportional to 2,847.44, 4,237.96 and 2,820.08

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Solution

The fourth proportional to 2,847.44, 4,237.96 and 2,820.08 is: 4,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.44 : 4,237.96 = 2,820.08 : x
  2. Step 2: Convert to fraction form
    2,847.44/4,237.96 = 2,820.08/x
  3. Step 3: Cross multiply
    2,847.44x = 4,237.96 × 2,820.08
  4. Step 4: Simplify right side
    2,847.44x = 11,951,386.24
  5. Step 5: Solve for x
    x = 11,951,386.24/2,847.44
  6. Step 6: Final answer
    x = 4,197.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.