Home / 1,951.16-2,692.35-1,111.77

Finding the Fourth Proportional to 1,951.16, 2,692.35 and 1,111.77

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Solution

The fourth proportional to 1,951.16, 2,692.35 and 1,111.77 is: 1,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.16 : 2,692.35 = 1,111.77 : x
  2. Step 2: Convert to fraction form
    1,951.16/2,692.35 = 1,111.77/x
  3. Step 3: Cross multiply
    1,951.16x = 2,692.35 × 1,111.77
  4. Step 4: Simplify right side
    1,951.16x = 2,993,273.96
  5. Step 5: Solve for x
    x = 2,993,273.96/1,951.16
  6. Step 6: Final answer
    x = 1,534.10

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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.