Home / 1,340.12-1,846.26-1,106.84

Finding the Fourth Proportional to 1,340.12, 1,846.26 and 1,106.84

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Solution

The fourth proportional to 1,340.12, 1,846.26 and 1,106.84 is: 1,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.12 : 1,846.26 = 1,106.84 : x
  2. Step 2: Convert to fraction form
    1,340.12/1,846.26 = 1,106.84/x
  3. Step 3: Cross multiply
    1,340.12x = 1,846.26 × 1,106.84
  4. Step 4: Simplify right side
    1,340.12x = 2,043,514.42
  5. Step 5: Solve for x
    x = 2,043,514.42/1,340.12
  6. Step 6: Final answer
    x = 1,524.87

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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.