Home / 3,254.67-4,492.19-2,118.35

Finding the Fourth Proportional to 3,254.67, 4,492.19 and 2,118.35

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Solution

The fourth proportional to 3,254.67, 4,492.19 and 2,118.35 is: 2,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.67 : 4,492.19 = 2,118.35 : x
  2. Step 2: Convert to fraction form
    3,254.67/4,492.19 = 2,118.35/x
  3. Step 3: Cross multiply
    3,254.67x = 4,492.19 × 2,118.35
  4. Step 4: Simplify right side
    3,254.67x = 9,515,997.63
  5. Step 5: Solve for x
    x = 9,515,997.63/3,254.67
  6. Step 6: Final answer
    x = 2,923.80

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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.