Home / 1,110.29-1,538.67-1,094.63

Finding the Fourth Proportional to 1,110.29, 1,538.67 and 1,094.63

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Solution

The fourth proportional to 1,110.29, 1,538.67 and 1,094.63 is: 1,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.29 : 1,538.67 = 1,094.63 : x
  2. Step 2: Convert to fraction form
    1,110.29/1,538.67 = 1,094.63/x
  3. Step 3: Cross multiply
    1,110.29x = 1,538.67 × 1,094.63
  4. Step 4: Simplify right side
    1,110.29x = 1,684,270.75
  5. Step 5: Solve for x
    x = 1,684,270.75/1,110.29
  6. Step 6: Final answer
    x = 1,516.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.