Home / 2,770.36-3,820.53-2,063.94

Finding the Fourth Proportional to 2,770.36, 3,820.53 and 2,063.94

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Solution

The fourth proportional to 2,770.36, 3,820.53 and 2,063.94 is: 2,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.36 : 3,820.53 = 2,063.94 : x
  2. Step 2: Convert to fraction form
    2,770.36/3,820.53 = 2,063.94/x
  3. Step 3: Cross multiply
    2,770.36x = 3,820.53 × 2,063.94
  4. Step 4: Simplify right side
    2,770.36x = 7,885,344.69
  5. Step 5: Solve for x
    x = 7,885,344.69/2,770.36
  6. Step 6: Final answer
    x = 2,846.32

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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.