Home / 3,349.22-4,619.12-2,154.41

Finding the Fourth Proportional to 3,349.22, 4,619.12 and 2,154.41

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Solution

The fourth proportional to 3,349.22, 4,619.12 and 2,154.41 is: 2,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.22 : 4,619.12 = 2,154.41 : x
  2. Step 2: Convert to fraction form
    3,349.22/4,619.12 = 2,154.41/x
  3. Step 3: Cross multiply
    3,349.22x = 4,619.12 × 2,154.41
  4. Step 4: Simplify right side
    3,349.22x = 9,951,444.45
  5. Step 5: Solve for x
    x = 9,951,444.45/3,349.22
  6. Step 6: Final answer
    x = 2,971.27

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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.