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Finding the Fourth Proportional to 1,822.07, 2,514.45 and 994.07

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Solution

The fourth proportional to 1,822.07, 2,514.45 and 994.07 is: 1,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.07 : 2,514.45 = 994.07 : x
  2. Step 2: Convert to fraction form
    1,822.07/2,514.45 = 994.07/x
  3. Step 3: Cross multiply
    1,822.07x = 2,514.45 × 994.07
  4. Step 4: Simplify right side
    1,822.07x = 2,499,526.74
  5. Step 5: Solve for x
    x = 2,499,526.74/1,822.07
  6. Step 6: Final answer
    x = 1,371.81

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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.