Home / 1,780.43-2,674.73-1,050.51

Finding the Fourth Proportional to 1,780.43, 2,674.73 and 1,050.51

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Solution

The fourth proportional to 1,780.43, 2,674.73 and 1,050.51 is: 1,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.43 : 2,674.73 = 1,050.51 : x
  2. Step 2: Convert to fraction form
    1,780.43/2,674.73 = 1,050.51/x
  3. Step 3: Cross multiply
    1,780.43x = 2,674.73 × 1,050.51
  4. Step 4: Simplify right side
    1,780.43x = 2,809,833.24
  5. Step 5: Solve for x
    x = 2,809,833.24/1,780.43
  6. Step 6: Final answer
    x = 1,578.18

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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.