Home / 1,846.32-2,768.40-1,115.46

Finding the Fourth Proportional to 1,846.32, 2,768.40 and 1,115.46

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Solution

The fourth proportional to 1,846.32, 2,768.40 and 1,115.46 is: 1,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.32 : 2,768.40 = 1,115.46 : x
  2. Step 2: Convert to fraction form
    1,846.32/2,768.40 = 1,115.46/x
  3. Step 3: Cross multiply
    1,846.32x = 2,768.40 × 1,115.46
  4. Step 4: Simplify right side
    1,846.32x = 3,088,039.46
  5. Step 5: Solve for x
    x = 3,088,039.46/1,846.32
  6. Step 6: Final answer
    x = 1,672.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.