Home / 1,083.32-1,485.23-1,063.88

Finding the Fourth Proportional to 1,083.32, 1,485.23 and 1,063.88

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Solution

The fourth proportional to 1,083.32, 1,485.23 and 1,063.88 is: 1,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.32 : 1,485.23 = 1,063.88 : x
  2. Step 2: Convert to fraction form
    1,083.32/1,485.23 = 1,063.88/x
  3. Step 3: Cross multiply
    1,083.32x = 1,485.23 × 1,063.88
  4. Step 4: Simplify right side
    1,083.32x = 1,580,106.49
  5. Step 5: Solve for x
    x = 1,580,106.49/1,083.32
  6. Step 6: Final answer
    x = 1,458.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.