Home / 3,076.56-4,247.52-1,899.20

Finding the Fourth Proportional to 3,076.56, 4,247.52 and 1,899.20

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Solution

The fourth proportional to 3,076.56, 4,247.52 and 1,899.20 is: 2,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.56 : 4,247.52 = 1,899.20 : x
  2. Step 2: Convert to fraction form
    3,076.56/4,247.52 = 1,899.20/x
  3. Step 3: Cross multiply
    3,076.56x = 4,247.52 × 1,899.20
  4. Step 4: Simplify right side
    3,076.56x = 8,066,889.98
  5. Step 5: Solve for x
    x = 8,066,889.98/3,076.56
  6. Step 6: Final answer
    x = 2,622.05

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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.