Home / 3,471.29-4,790.50-1,899.39

Finding the Fourth Proportional to 3,471.29, 4,790.50 and 1,899.39

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Solution

The fourth proportional to 3,471.29, 4,790.50 and 1,899.39 is: 2,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.29 : 4,790.50 = 1,899.39 : x
  2. Step 2: Convert to fraction form
    3,471.29/4,790.50 = 1,899.39/x
  3. Step 3: Cross multiply
    3,471.29x = 4,790.50 × 1,899.39
  4. Step 4: Simplify right side
    3,471.29x = 9,099,020.68
  5. Step 5: Solve for x
    x = 9,099,020.68/3,471.29
  6. Step 6: Final answer
    x = 2,621.22

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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.