Home / 1,837.62-2,756.70-605.16

Finding the Fourth Proportional to 1,837.62, 2,756.70 and 605.16

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Solution

The fourth proportional to 1,837.62, 2,756.70 and 605.16 is: 907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.62 : 2,756.70 = 605.16 : x
  2. Step 2: Convert to fraction form
    1,837.62/2,756.70 = 605.16/x
  3. Step 3: Cross multiply
    1,837.62x = 2,756.70 × 605.16
  4. Step 4: Simplify right side
    1,837.62x = 1,668,244.57
  5. Step 5: Solve for x
    x = 1,668,244.57/1,837.62
  6. Step 6: Final answer
    x = 907.83

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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.