Home / 2,075.42-2,863.76-1,191.07

Finding the Fourth Proportional to 2,075.42, 2,863.76 and 1,191.07

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Solution

The fourth proportional to 2,075.42, 2,863.76 and 1,191.07 is: 1,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.42 : 2,863.76 = 1,191.07 : x
  2. Step 2: Convert to fraction form
    2,075.42/2,863.76 = 1,191.07/x
  3. Step 3: Cross multiply
    2,075.42x = 2,863.76 × 1,191.07
  4. Step 4: Simplify right side
    2,075.42x = 3,410,936.25
  5. Step 5: Solve for x
    x = 3,410,936.25/2,075.42
  6. Step 6: Final answer
    x = 1,643.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.