Home / 1,644.67-2,270.87-1,055.53

Finding the Fourth Proportional to 1,644.67, 2,270.87 and 1,055.53

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Solution

The fourth proportional to 1,644.67, 2,270.87 and 1,055.53 is: 1,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.67 : 2,270.87 = 1,055.53 : x
  2. Step 2: Convert to fraction form
    1,644.67/2,270.87 = 1,055.53/x
  3. Step 3: Cross multiply
    1,644.67x = 2,270.87 × 1,055.53
  4. Step 4: Simplify right side
    1,644.67x = 2,396,971.41
  5. Step 5: Solve for x
    x = 2,396,971.41/1,644.67
  6. Step 6: Final answer
    x = 1,457.42

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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.