Home / 3,075.31-4,604.74-1,611.39

Finding the Fourth Proportional to 3,075.31, 4,604.74 and 1,611.39

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Solution

The fourth proportional to 3,075.31, 4,604.74 and 1,611.39 is: 2,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.31 : 4,604.74 = 1,611.39 : x
  2. Step 2: Convert to fraction form
    3,075.31/4,604.74 = 1,611.39/x
  3. Step 3: Cross multiply
    3,075.31x = 4,604.74 × 1,611.39
  4. Step 4: Simplify right side
    3,075.31x = 7,420,031.99
  5. Step 5: Solve for x
    x = 7,420,031.99/3,075.31
  6. Step 6: Final answer
    x = 2,412.78

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1.5x scale

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.