Home / 1,516.49-2,092.75-853.35

Finding the Fourth Proportional to 1,516.49, 2,092.75 and 853.35

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Solution

The fourth proportional to 1,516.49, 2,092.75 and 853.35 is: 1,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.49 : 2,092.75 = 853.35 : x
  2. Step 2: Convert to fraction form
    1,516.49/2,092.75 = 853.35/x
  3. Step 3: Cross multiply
    1,516.49x = 2,092.75 × 853.35
  4. Step 4: Simplify right side
    1,516.49x = 1,785,838.23
  5. Step 5: Solve for x
    x = 1,785,838.23/1,516.49
  6. Step 6: Final answer
    x = 1,177.61

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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.