Home / 1,664.56-2,296.80-1,001.26

Finding the Fourth Proportional to 1,664.56, 2,296.80 and 1,001.26

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Solution

The fourth proportional to 1,664.56, 2,296.80 and 1,001.26 is: 1,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.56 : 2,296.80 = 1,001.26 : x
  2. Step 2: Convert to fraction form
    1,664.56/2,296.80 = 1,001.26/x
  3. Step 3: Cross multiply
    1,664.56x = 2,296.80 × 1,001.26
  4. Step 4: Simplify right side
    1,664.56x = 2,299,693.97
  5. Step 5: Solve for x
    x = 2,299,693.97/1,664.56
  6. Step 6: Final answer
    x = 1,381.56

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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.