Home / 1,801.14-2,485.46-1,055.54

Finding the Fourth Proportional to 1,801.14, 2,485.46 and 1,055.54

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Solution

The fourth proportional to 1,801.14, 2,485.46 and 1,055.54 is: 1,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.14 : 2,485.46 = 1,055.54 : x
  2. Step 2: Convert to fraction form
    1,801.14/2,485.46 = 1,055.54/x
  3. Step 3: Cross multiply
    1,801.14x = 2,485.46 × 1,055.54
  4. Step 4: Simplify right side
    1,801.14x = 2,623,502.45
  5. Step 5: Solve for x
    x = 2,623,502.45/1,801.14
  6. Step 6: Final answer
    x = 1,456.58

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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.