Home / 2,619.68-3,611.41-1,873.35

Finding the Fourth Proportional to 2,619.68, 3,611.41 and 1,873.35

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Solution

The fourth proportional to 2,619.68, 3,611.41 and 1,873.35 is: 2,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.68 : 3,611.41 = 1,873.35 : x
  2. Step 2: Convert to fraction form
    2,619.68/3,611.41 = 1,873.35/x
  3. Step 3: Cross multiply
    2,619.68x = 3,611.41 × 1,873.35
  4. Step 4: Simplify right side
    2,619.68x = 6,765,430.24
  5. Step 5: Solve for x
    x = 6,765,430.24/2,619.68
  6. Step 6: Final answer
    x = 2,582.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.