Home / 1,112.98-1,536.39-693.54

Finding the Fourth Proportional to 1,112.98, 1,536.39 and 693.54

Calculator

Solution

The fourth proportional to 1,112.98, 1,536.39 and 693.54 is: 957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.98 : 1,536.39 = 693.54 : x
  2. Step 2: Convert to fraction form
    1,112.98/1,536.39 = 693.54/x
  3. Step 3: Cross multiply
    1,112.98x = 1,536.39 × 693.54
  4. Step 4: Simplify right side
    1,112.98x = 1,065,548.06
  5. Step 5: Solve for x
    x = 1,065,548.06/1,112.98
  6. Step 6: Final answer
    x = 957.38

Related Problems

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.