Home / 3,480.93-4,800.42-2,775.12

Finding the Fourth Proportional to 3,480.93, 4,800.42 and 2,775.12

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Solution

The fourth proportional to 3,480.93, 4,800.42 and 2,775.12 is: 3,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.93 : 4,800.42 = 2,775.12 : x
  2. Step 2: Convert to fraction form
    3,480.93/4,800.42 = 2,775.12/x
  3. Step 3: Cross multiply
    3,480.93x = 4,800.42 × 2,775.12
  4. Step 4: Simplify right side
    3,480.93x = 13,321,741.55
  5. Step 5: Solve for x
    x = 13,321,741.55/3,480.93
  6. Step 6: Final answer
    x = 3,827.06

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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.