Home / 3,471.60-4,790.52-1,899.66

Finding the Fourth Proportional to 3,471.60, 4,790.52 and 1,899.66

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Solution

The fourth proportional to 3,471.60, 4,790.52 and 1,899.66 is: 2,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.60 : 4,790.52 = 1,899.66 : x
  2. Step 2: Convert to fraction form
    3,471.60/4,790.52 = 1,899.66/x
  3. Step 3: Cross multiply
    3,471.60x = 4,790.52 × 1,899.66
  4. Step 4: Simplify right side
    3,471.60x = 9,100,359.22
  5. Step 5: Solve for x
    x = 9,100,359.22/3,471.60
  6. Step 6: Final answer
    x = 2,621.37

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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.