Home / 2,842.22-4,259.36-2,148.32

Finding the Fourth Proportional to 2,842.22, 4,259.36 and 2,148.32

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Solution

The fourth proportional to 2,842.22, 4,259.36 and 2,148.32 is: 3,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.22 : 4,259.36 = 2,148.32 : x
  2. Step 2: Convert to fraction form
    2,842.22/4,259.36 = 2,148.32/x
  3. Step 3: Cross multiply
    2,842.22x = 4,259.36 × 2,148.32
  4. Step 4: Simplify right side
    2,842.22x = 9,150,468.28
  5. Step 5: Solve for x
    x = 9,150,468.28/2,842.22
  6. Step 6: Final answer
    x = 3,219.48

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1.5x scale

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.