Home / 1,843.54-2,543.37-1,135.21

Finding the Fourth Proportional to 1,843.54, 2,543.37 and 1,135.21

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Solution

The fourth proportional to 1,843.54, 2,543.37 and 1,135.21 is: 1,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.54 : 2,543.37 = 1,135.21 : x
  2. Step 2: Convert to fraction form
    1,843.54/2,543.37 = 1,135.21/x
  3. Step 3: Cross multiply
    1,843.54x = 2,543.37 × 1,135.21
  4. Step 4: Simplify right side
    1,843.54x = 2,887,259.06
  5. Step 5: Solve for x
    x = 2,887,259.06/1,843.54
  6. Step 6: Final answer
    x = 1,566.15

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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.