Home / 1,801.09-2,485.88-1,055.44

Finding the Fourth Proportional to 1,801.09, 2,485.88 and 1,055.44

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Solution

The fourth proportional to 1,801.09, 2,485.88 and 1,055.44 is: 1,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.09 : 2,485.88 = 1,055.44 : x
  2. Step 2: Convert to fraction form
    1,801.09/2,485.88 = 1,055.44/x
  3. Step 3: Cross multiply
    1,801.09x = 2,485.88 × 1,055.44
  4. Step 4: Simplify right side
    1,801.09x = 2,623,697.19
  5. Step 5: Solve for x
    x = 2,623,697.19/1,801.09
  6. Step 6: Final answer
    x = 1,456.73

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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.