Home / 1,838.06-2,756.52-605.20

Finding the Fourth Proportional to 1,838.06, 2,756.52 and 605.20

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Solution

The fourth proportional to 1,838.06, 2,756.52 and 605.20 is: 907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.06 : 2,756.52 = 605.20 : x
  2. Step 2: Convert to fraction form
    1,838.06/2,756.52 = 605.20/x
  3. Step 3: Cross multiply
    1,838.06x = 2,756.52 × 605.20
  4. Step 4: Simplify right side
    1,838.06x = 1,668,245.90
  5. Step 5: Solve for x
    x = 1,668,245.90/1,838.06
  6. Step 6: Final answer
    x = 907.61

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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.