Home / 2,416.80-3,611.41-2,028

Finding the Fourth Proportional to 2,416.80, 3,611.41 and 2,028

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Solution

The fourth proportional to 2,416.80, 3,611.41 and 2,028 is: 3,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.80 : 3,611.41 = 2,028 : x
  2. Step 2: Convert to fraction form
    2,416.80/3,611.41 = 2,028/x
  3. Step 3: Cross multiply
    2,416.80x = 3,611.41 × 2,028
  4. Step 4: Simplify right side
    2,416.80x = 7,323,939.48
  5. Step 5: Solve for x
    x = 7,323,939.48/2,416.80
  6. Step 6: Final answer
    x = 3,030.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.