Home / 1,979.02-2,731.22-1,094.84

Finding the Fourth Proportional to 1,979.02, 2,731.22 and 1,094.84

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Solution

The fourth proportional to 1,979.02, 2,731.22 and 1,094.84 is: 1,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.02 : 2,731.22 = 1,094.84 : x
  2. Step 2: Convert to fraction form
    1,979.02/2,731.22 = 1,094.84/x
  3. Step 3: Cross multiply
    1,979.02x = 2,731.22 × 1,094.84
  4. Step 4: Simplify right side
    1,979.02x = 2,990,248.90
  5. Step 5: Solve for x
    x = 2,990,248.90/1,979.02
  6. Step 6: Final answer
    x = 1,510.97

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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.