Home / 1,837.58-2,756.78-605.12

Finding the Fourth Proportional to 1,837.58, 2,756.78 and 605.12

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Solution

The fourth proportional to 1,837.58, 2,756.78 and 605.12 is: 907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.58 : 2,756.78 = 605.12 : x
  2. Step 2: Convert to fraction form
    1,837.58/2,756.78 = 605.12/x
  3. Step 3: Cross multiply
    1,837.58x = 2,756.78 × 605.12
  4. Step 4: Simplify right side
    1,837.58x = 1,668,170.44
  5. Step 5: Solve for x
    x = 1,668,170.44/1,837.58
  6. Step 6: Final answer
    x = 907.81

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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.