Home / 1,845.80-2,542.02-1,805.48

Finding the Fourth Proportional to 1,845.80, 2,542.02 and 1,805.48

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Solution

The fourth proportional to 1,845.80, 2,542.02 and 1,805.48 is: 2,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.80 : 2,542.02 = 1,805.48 : x
  2. Step 2: Convert to fraction form
    1,845.80/2,542.02 = 1,805.48/x
  3. Step 3: Cross multiply
    1,845.80x = 2,542.02 × 1,805.48
  4. Step 4: Simplify right side
    1,845.80x = 4,589,566.27
  5. Step 5: Solve for x
    x = 4,589,566.27/1,845.80
  6. Step 6: Final answer
    x = 2,486.49

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1.5x scale

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.