Home / 3,471.36-4,790.34-2,127.48

Finding the Fourth Proportional to 3,471.36, 4,790.34 and 2,127.48

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Solution

The fourth proportional to 3,471.36, 4,790.34 and 2,127.48 is: 2,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.36 : 4,790.34 = 2,127.48 : x
  2. Step 2: Convert to fraction form
    3,471.36/4,790.34 = 2,127.48/x
  3. Step 3: Cross multiply
    3,471.36x = 4,790.34 × 2,127.48
  4. Step 4: Simplify right side
    3,471.36x = 10,191,352.54
  5. Step 5: Solve for x
    x = 10,191,352.54/3,471.36
  6. Step 6: Final answer
    x = 2,935.84

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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.