Home / 1,822.31-2,514.07-1,122.47

Finding the Fourth Proportional to 1,822.31, 2,514.07 and 1,122.47

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Solution

The fourth proportional to 1,822.31, 2,514.07 and 1,122.47 is: 1,548.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.31 : 2,514.07 = 1,122.47 : x
  2. Step 2: Convert to fraction form
    1,822.31/2,514.07 = 1,122.47/x
  3. Step 3: Cross multiply
    1,822.31x = 2,514.07 × 1,122.47
  4. Step 4: Simplify right side
    1,822.31x = 2,821,968.15
  5. Step 5: Solve for x
    x = 2,821,968.15/1,822.31
  6. Step 6: Final answer
    x = 1,548.57

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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.