Home / 1,769.03-2,655.57-1,379.45

Finding the Fourth Proportional to 1,769.03, 2,655.57 and 1,379.45

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Solution

The fourth proportional to 1,769.03, 2,655.57 and 1,379.45 is: 2,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.03 : 2,655.57 = 1,379.45 : x
  2. Step 2: Convert to fraction form
    1,769.03/2,655.57 = 1,379.45/x
  3. Step 3: Cross multiply
    1,769.03x = 2,655.57 × 1,379.45
  4. Step 4: Simplify right side
    1,769.03x = 3,663,219.14
  5. Step 5: Solve for x
    x = 3,663,219.14/1,769.03
  6. Step 6: Final answer
    x = 2,070.75

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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.