Home / 1,822.36-2,514.74-1,076.55

Finding the Fourth Proportional to 1,822.36, 2,514.74 and 1,076.55

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Solution

The fourth proportional to 1,822.36, 2,514.74 and 1,076.55 is: 1,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.36 : 2,514.74 = 1,076.55 : x
  2. Step 2: Convert to fraction form
    1,822.36/2,514.74 = 1,076.55/x
  3. Step 3: Cross multiply
    1,822.36x = 2,514.74 × 1,076.55
  4. Step 4: Simplify right side
    1,822.36x = 2,707,243.35
  5. Step 5: Solve for x
    x = 2,707,243.35/1,822.36
  6. Step 6: Final answer
    x = 1,485.57

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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.