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Finding the Fourth Proportional to 1,977.51, 2,728.77 and 1,093.19

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Solution

The fourth proportional to 1,977.51, 2,728.77 and 1,093.19 is: 1,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.51 : 2,728.77 = 1,093.19 : x
  2. Step 2: Convert to fraction form
    1,977.51/2,728.77 = 1,093.19/x
  3. Step 3: Cross multiply
    1,977.51x = 2,728.77 × 1,093.19
  4. Step 4: Simplify right side
    1,977.51x = 2,983,064.08
  5. Step 5: Solve for x
    x = 2,983,064.08/1,977.51
  6. Step 6: Final answer
    x = 1,508.50

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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.