Home / 1,664.51-2,494.55-1,273.08

Finding the Fourth Proportional to 1,664.51, 2,494.55 and 1,273.08

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Solution

The fourth proportional to 1,664.51, 2,494.55 and 1,273.08 is: 1,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.51 : 2,494.55 = 1,273.08 : x
  2. Step 2: Convert to fraction form
    1,664.51/2,494.55 = 1,273.08/x
  3. Step 3: Cross multiply
    1,664.51x = 2,494.55 × 1,273.08
  4. Step 4: Simplify right side
    1,664.51x = 3,175,755.35
  5. Step 5: Solve for x
    x = 3,175,755.35/1,664.51
  6. Step 6: Final answer
    x = 1,907.93

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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.