Home / 2,075.93-2,864.75-1,191.77

Finding the Fourth Proportional to 2,075.93, 2,864.75 and 1,191.77

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Solution

The fourth proportional to 2,075.93, 2,864.75 and 1,191.77 is: 1,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.93 : 2,864.75 = 1,191.77 : x
  2. Step 2: Convert to fraction form
    2,075.93/2,864.75 = 1,191.77/x
  3. Step 3: Cross multiply
    2,075.93x = 2,864.75 × 1,191.77
  4. Step 4: Simplify right side
    2,075.93x = 3,414,102.82
  5. Step 5: Solve for x
    x = 3,414,102.82/2,075.93
  6. Step 6: Final answer
    x = 1,644.62

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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.