Home / 1,116.08-1,675.02-1,072.34

Finding the Fourth Proportional to 1,116.08, 1,675.02 and 1,072.34

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Solution

The fourth proportional to 1,116.08, 1,675.02 and 1,072.34 is: 1,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.08 : 1,675.02 = 1,072.34 : x
  2. Step 2: Convert to fraction form
    1,116.08/1,675.02 = 1,072.34/x
  3. Step 3: Cross multiply
    1,116.08x = 1,675.02 × 1,072.34
  4. Step 4: Simplify right side
    1,116.08x = 1,796,190.95
  5. Step 5: Solve for x
    x = 1,796,190.95/1,116.08
  6. Step 6: Final answer
    x = 1,609.37

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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.