Home / 2,636.39-3,955.31-1,075.43

Finding the Fourth Proportional to 2,636.39, 3,955.31 and 1,075.43

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Solution

The fourth proportional to 2,636.39, 3,955.31 and 1,075.43 is: 1,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.39 : 3,955.31 = 1,075.43 : x
  2. Step 2: Convert to fraction form
    2,636.39/3,955.31 = 1,075.43/x
  3. Step 3: Cross multiply
    2,636.39x = 3,955.31 × 1,075.43
  4. Step 4: Simplify right side
    2,636.39x = 4,253,653.66
  5. Step 5: Solve for x
    x = 4,253,653.66/2,636.39
  6. Step 6: Final answer
    x = 1,613.44

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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.