Home / 3,077.56-4,245.74-2,146.60

Finding the Fourth Proportional to 3,077.56, 4,245.74 and 2,146.60

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Solution

The fourth proportional to 3,077.56, 4,245.74 and 2,146.60 is: 2,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.56 : 4,245.74 = 2,146.60 : x
  2. Step 2: Convert to fraction form
    3,077.56/4,245.74 = 2,146.60/x
  3. Step 3: Cross multiply
    3,077.56x = 4,245.74 × 2,146.60
  4. Step 4: Simplify right side
    3,077.56x = 9,113,905.48
  5. Step 5: Solve for x
    x = 9,113,905.48/3,077.56
  6. Step 6: Final answer
    x = 2,961.41

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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.