Home / 3,075.21-4,609.97-1,225.88

Finding the Fourth Proportional to 3,075.21, 4,609.97 and 1,225.88

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Solution

The fourth proportional to 3,075.21, 4,609.97 and 1,225.88 is: 1,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.21 : 4,609.97 = 1,225.88 : x
  2. Step 2: Convert to fraction form
    3,075.21/4,609.97 = 1,225.88/x
  3. Step 3: Cross multiply
    3,075.21x = 4,609.97 × 1,225.88
  4. Step 4: Simplify right side
    3,075.21x = 5,651,250.04
  5. Step 5: Solve for x
    x = 5,651,250.04/3,075.21
  6. Step 6: Final answer
    x = 1,837.68

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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.