Home / 2,770.56-3,821.58-1,839.08

Finding the Fourth Proportional to 2,770.56, 3,821.58 and 1,839.08

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Solution

The fourth proportional to 2,770.56, 3,821.58 and 1,839.08 is: 2,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.56 : 3,821.58 = 1,839.08 : x
  2. Step 2: Convert to fraction form
    2,770.56/3,821.58 = 1,839.08/x
  3. Step 3: Cross multiply
    2,770.56x = 3,821.58 × 1,839.08
  4. Step 4: Simplify right side
    2,770.56x = 7,028,191.35
  5. Step 5: Solve for x
    x = 7,028,191.35/2,770.56
  6. Step 6: Final answer
    x = 2,536.74

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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.