Home / 1,610.22-2,205.41-1,515.63

Finding the Fourth Proportional to 1,610.22, 2,205.41 and 1,515.63

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Solution

The fourth proportional to 1,610.22, 2,205.41 and 1,515.63 is: 2,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.22 : 2,205.41 = 1,515.63 : x
  2. Step 2: Convert to fraction form
    1,610.22/2,205.41 = 1,515.63/x
  3. Step 3: Cross multiply
    1,610.22x = 2,205.41 × 1,515.63
  4. Step 4: Simplify right side
    1,610.22x = 3,342,577.98
  5. Step 5: Solve for x
    x = 3,342,577.98/1,610.22
  6. Step 6: Final answer
    x = 2,075.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.