Home / 1,860.80-2,790.84-1,736.96

Finding the Fourth Proportional to 1,860.80, 2,790.84 and 1,736.96

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Solution

The fourth proportional to 1,860.80, 2,790.84 and 1,736.96 is: 2,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.80 : 2,790.84 = 1,736.96 : x
  2. Step 2: Convert to fraction form
    1,860.80/2,790.84 = 1,736.96/x
  3. Step 3: Cross multiply
    1,860.80x = 2,790.84 × 1,736.96
  4. Step 4: Simplify right side
    1,860.80x = 4,847,577.45
  5. Step 5: Solve for x
    x = 4,847,577.45/1,860.80
  6. Step 6: Final answer
    x = 2,605.10

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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.