Home / 3,471.30-4,790.36-1,899.38

Finding the Fourth Proportional to 3,471.30, 4,790.36 and 1,899.38

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Solution

The fourth proportional to 3,471.30, 4,790.36 and 1,899.38 is: 2,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.30 : 4,790.36 = 1,899.38 : x
  2. Step 2: Convert to fraction form
    3,471.30/4,790.36 = 1,899.38/x
  3. Step 3: Cross multiply
    3,471.30x = 4,790.36 × 1,899.38
  4. Step 4: Simplify right side
    3,471.30x = 9,098,680.53
  5. Step 5: Solve for x
    x = 9,098,680.53/3,471.30
  6. Step 6: Final answer
    x = 2,621.12

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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.