Home / 1,536.04-2,118.36-1,200

Finding the Fourth Proportional to 1,536.04, 2,118.36 and 1,200

Calculator

Solution

The fourth proportional to 1,536.04, 2,118.36 and 1,200 is: 1,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.04 : 2,118.36 = 1,200 : x
  2. Step 2: Convert to fraction form
    1,536.04/2,118.36 = 1,200/x
  3. Step 3: Cross multiply
    1,536.04x = 2,118.36 × 1,200
  4. Step 4: Simplify right side
    1,536.04x = 2,542,032
  5. Step 5: Solve for x
    x = 2,542,032/1,536.04
  6. Step 6: Final answer
    x = 1,654.93

Related Problems

Find fourth proportional to 768.02, 1,059.18 and 600
Half scale
Find fourth proportional to 3,072.08, 4,236.72 and 2,400
Double scale
Find fourth proportional to 1,537.04, 2,119.74 and 1,201
Similar ratio
Find fourth proportional to 2,304.06, 3,177.54 and 1,800
1.5x scale

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.