Home / 1,790.07-2,686.32-1,776.44

Finding the Fourth Proportional to 1,790.07, 2,686.32 and 1,776.44

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Solution

The fourth proportional to 1,790.07, 2,686.32 and 1,776.44 is: 2,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.07 : 2,686.32 = 1,776.44 : x
  2. Step 2: Convert to fraction form
    1,790.07/2,686.32 = 1,776.44/x
  3. Step 3: Cross multiply
    1,790.07x = 2,686.32 × 1,776.44
  4. Step 4: Simplify right side
    1,790.07x = 4,772,072.87
  5. Step 5: Solve for x
    x = 4,772,072.87/1,790.07
  6. Step 6: Final answer
    x = 2,665.86

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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.