Home / 3,471.02-4,789.92-1,899.12

Finding the Fourth Proportional to 3,471.02, 4,789.92 and 1,899.12

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Solution

The fourth proportional to 3,471.02, 4,789.92 and 1,899.12 is: 2,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.02 : 4,789.92 = 1,899.12 : x
  2. Step 2: Convert to fraction form
    3,471.02/4,789.92 = 1,899.12/x
  3. Step 3: Cross multiply
    3,471.02x = 4,789.92 × 1,899.12
  4. Step 4: Simplify right side
    3,471.02x = 9,096,632.87
  5. Step 5: Solve for x
    x = 9,096,632.87/3,471.02
  6. Step 6: Final answer
    x = 2,620.74

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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.