Home / 1,979.03-2,731.08-1,094.92

Finding the Fourth Proportional to 1,979.03, 2,731.08 and 1,094.92

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Solution

The fourth proportional to 1,979.03, 2,731.08 and 1,094.92 is: 1,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.03 : 2,731.08 = 1,094.92 : x
  2. Step 2: Convert to fraction form
    1,979.03/2,731.08 = 1,094.92/x
  3. Step 3: Cross multiply
    1,979.03x = 2,731.08 × 1,094.92
  4. Step 4: Simplify right side
    1,979.03x = 2,990,311.39
  5. Step 5: Solve for x
    x = 2,990,311.39/1,979.03
  6. Step 6: Final answer
    x = 1,511.00

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1.5x scale

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.