Home / 2,740.19-4,110.24-1,860.51

Finding the Fourth Proportional to 2,740.19, 4,110.24 and 1,860.51

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Solution

The fourth proportional to 2,740.19, 4,110.24 and 1,860.51 is: 2,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.19 : 4,110.24 = 1,860.51 : x
  2. Step 2: Convert to fraction form
    2,740.19/4,110.24 = 1,860.51/x
  3. Step 3: Cross multiply
    2,740.19x = 4,110.24 × 1,860.51
  4. Step 4: Simplify right side
    2,740.19x = 7,647,142.62
  5. Step 5: Solve for x
    x = 7,647,142.62/2,740.19
  6. Step 6: Final answer
    x = 2,790.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.