Home / 1,979.14-2,731.32-1,094.98

Finding the Fourth Proportional to 1,979.14, 2,731.32 and 1,094.98

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Solution

The fourth proportional to 1,979.14, 2,731.32 and 1,094.98 is: 1,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.14 : 2,731.32 = 1,094.98 : x
  2. Step 2: Convert to fraction form
    1,979.14/2,731.32 = 1,094.98/x
  3. Step 3: Cross multiply
    1,979.14x = 2,731.32 × 1,094.98
  4. Step 4: Simplify right side
    1,979.14x = 2,990,740.77
  5. Step 5: Solve for x
    x = 2,990,740.77/1,979.14
  6. Step 6: Final answer
    x = 1,511.13

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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.