Home / 1,977.08-2,728.44-1,092.98

Finding the Fourth Proportional to 1,977.08, 2,728.44 and 1,092.98

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Solution

The fourth proportional to 1,977.08, 2,728.44 and 1,092.98 is: 1,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.08 : 2,728.44 = 1,092.98 : x
  2. Step 2: Convert to fraction form
    1,977.08/2,728.44 = 1,092.98/x
  3. Step 3: Cross multiply
    1,977.08x = 2,728.44 × 1,092.98
  4. Step 4: Simplify right side
    1,977.08x = 2,982,130.35
  5. Step 5: Solve for x
    x = 2,982,130.35/1,977.08
  6. Step 6: Final answer
    x = 1,508.35

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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.