Home / 3,185.85-4,783.56-2,750.53

Finding the Fourth Proportional to 3,185.85, 4,783.56 and 2,750.53

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Solution

The fourth proportional to 3,185.85, 4,783.56 and 2,750.53 is: 4,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.85 : 4,783.56 = 2,750.53 : x
  2. Step 2: Convert to fraction form
    3,185.85/4,783.56 = 2,750.53/x
  3. Step 3: Cross multiply
    3,185.85x = 4,783.56 × 2,750.53
  4. Step 4: Simplify right side
    3,185.85x = 13,157,325.29
  5. Step 5: Solve for x
    x = 13,157,325.29/3,185.85
  6. Step 6: Final answer
    x = 4,129.93

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1.5x scale

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.