Home / 1,770.69-2,653.08-1,249.83

Finding the Fourth Proportional to 1,770.69, 2,653.08 and 1,249.83

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Solution

The fourth proportional to 1,770.69, 2,653.08 and 1,249.83 is: 1,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.69 : 2,653.08 = 1,249.83 : x
  2. Step 2: Convert to fraction form
    1,770.69/2,653.08 = 1,249.83/x
  3. Step 3: Cross multiply
    1,770.69x = 2,653.08 × 1,249.83
  4. Step 4: Simplify right side
    1,770.69x = 3,315,897.80
  5. Step 5: Solve for x
    x = 3,315,897.80/1,770.69
  6. Step 6: Final answer
    x = 1,872.66

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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.