Home / 2,716.65-4,075.49-1,235.98

Finding the Fourth Proportional to 2,716.65, 4,075.49 and 1,235.98

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Solution

The fourth proportional to 2,716.65, 4,075.49 and 1,235.98 is: 1,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.65 : 4,075.49 = 1,235.98 : x
  2. Step 2: Convert to fraction form
    2,716.65/4,075.49 = 1,235.98/x
  3. Step 3: Cross multiply
    2,716.65x = 4,075.49 × 1,235.98
  4. Step 4: Simplify right side
    2,716.65x = 5,037,224.13
  5. Step 5: Solve for x
    x = 5,037,224.13/2,716.65
  6. Step 6: Final answer
    x = 1,854.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.