Home / 2,731.96-3,770.60-1,612.84

Finding the Fourth Proportional to 2,731.96, 3,770.60 and 1,612.84

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Solution

The fourth proportional to 2,731.96, 3,770.60 and 1,612.84 is: 2,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.96 : 3,770.60 = 1,612.84 : x
  2. Step 2: Convert to fraction form
    2,731.96/3,770.60 = 1,612.84/x
  3. Step 3: Cross multiply
    2,731.96x = 3,770.60 × 1,612.84
  4. Step 4: Simplify right side
    2,731.96x = 6,081,374.50
  5. Step 5: Solve for x
    x = 6,081,374.50/2,731.96
  6. Step 6: Final answer
    x = 2,226.01

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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.