Home / 1,627.78-2,246.93-1,068.38

Finding the Fourth Proportional to 1,627.78, 2,246.93 and 1,068.38

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Solution

The fourth proportional to 1,627.78, 2,246.93 and 1,068.38 is: 1,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.78 : 2,246.93 = 1,068.38 : x
  2. Step 2: Convert to fraction form
    1,627.78/2,246.93 = 1,068.38/x
  3. Step 3: Cross multiply
    1,627.78x = 2,246.93 × 1,068.38
  4. Step 4: Simplify right side
    1,627.78x = 2,400,575.07
  5. Step 5: Solve for x
    x = 2,400,575.07/1,627.78
  6. Step 6: Final answer
    x = 1,474.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.