Home / 2,771.16-3,820.44-1,885.44

Finding the Fourth Proportional to 2,771.16, 3,820.44 and 1,885.44

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Solution

The fourth proportional to 2,771.16, 3,820.44 and 1,885.44 is: 2,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.16 : 3,820.44 = 1,885.44 : x
  2. Step 2: Convert to fraction form
    2,771.16/3,820.44 = 1,885.44/x
  3. Step 3: Cross multiply
    2,771.16x = 3,820.44 × 1,885.44
  4. Step 4: Simplify right side
    2,771.16x = 7,203,210.39
  5. Step 5: Solve for x
    x = 7,203,210.39/2,771.16
  6. Step 6: Final answer
    x = 2,599.35

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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.