Home / 1,769.16-2,647.44-1,075.56

Finding the Fourth Proportional to 1,769.16, 2,647.44 and 1,075.56

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Solution

The fourth proportional to 1,769.16, 2,647.44 and 1,075.56 is: 1,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.16 : 2,647.44 = 1,075.56 : x
  2. Step 2: Convert to fraction form
    1,769.16/2,647.44 = 1,075.56/x
  3. Step 3: Cross multiply
    1,769.16x = 2,647.44 × 1,075.56
  4. Step 4: Simplify right side
    1,769.16x = 2,847,480.57
  5. Step 5: Solve for x
    x = 2,847,480.57/1,769.16
  6. Step 6: Final answer
    x = 1,609.51

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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.