Home / 2,227.56-3,075.14-1,729.08

Finding the Fourth Proportional to 2,227.56, 3,075.14 and 1,729.08

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Solution

The fourth proportional to 2,227.56, 3,075.14 and 1,729.08 is: 2,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.56 : 3,075.14 = 1,729.08 : x
  2. Step 2: Convert to fraction form
    2,227.56/3,075.14 = 1,729.08/x
  3. Step 3: Cross multiply
    2,227.56x = 3,075.14 × 1,729.08
  4. Step 4: Simplify right side
    2,227.56x = 5,317,163.07
  5. Step 5: Solve for x
    x = 5,317,163.07/2,227.56
  6. Step 6: Final answer
    x = 2,386.99

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1.5x scale

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.