Home / 1,644.48-2,269.38-1,055.01

Finding the Fourth Proportional to 1,644.48, 2,269.38 and 1,055.01

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Solution

The fourth proportional to 1,644.48, 2,269.38 and 1,055.01 is: 1,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.48 : 2,269.38 = 1,055.01 : x
  2. Step 2: Convert to fraction form
    1,644.48/2,269.38 = 1,055.01/x
  3. Step 3: Cross multiply
    1,644.48x = 2,269.38 × 1,055.01
  4. Step 4: Simplify right side
    1,644.48x = 2,394,218.59
  5. Step 5: Solve for x
    x = 2,394,218.59/1,644.48
  6. Step 6: Final answer
    x = 1,455.91

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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.