Home / 2,770.40-4,150.56-1,612.64

Finding the Fourth Proportional to 2,770.40, 4,150.56 and 1,612.64

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Solution

The fourth proportional to 2,770.40, 4,150.56 and 1,612.64 is: 2,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.40 : 4,150.56 = 1,612.64 : x
  2. Step 2: Convert to fraction form
    2,770.40/4,150.56 = 1,612.64/x
  3. Step 3: Cross multiply
    2,770.40x = 4,150.56 × 1,612.64
  4. Step 4: Simplify right side
    2,770.40x = 6,693,359.08
  5. Step 5: Solve for x
    x = 6,693,359.08/2,770.40
  6. Step 6: Final answer
    x = 2,416.03

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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.