Home / 2,909.37-4,015.01-1,790.96

Finding the Fourth Proportional to 2,909.37, 4,015.01 and 1,790.96

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Solution

The fourth proportional to 2,909.37, 4,015.01 and 1,790.96 is: 2,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.37 : 4,015.01 = 1,790.96 : x
  2. Step 2: Convert to fraction form
    2,909.37/4,015.01 = 1,790.96/x
  3. Step 3: Cross multiply
    2,909.37x = 4,015.01 × 1,790.96
  4. Step 4: Simplify right side
    2,909.37x = 7,190,693.28
  5. Step 5: Solve for x
    x = 7,190,693.28/2,909.37
  6. Step 6: Final answer
    x = 2,471.56

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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.