Home / 1,997.24-2,756.42-1,201

Finding the Fourth Proportional to 1,997.24, 2,756.42 and 1,201

Calculator

Solution

The fourth proportional to 1,997.24, 2,756.42 and 1,201 is: 1,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.24 : 2,756.42 = 1,201 : x
  2. Step 2: Convert to fraction form
    1,997.24/2,756.42 = 1,201/x
  3. Step 3: Cross multiply
    1,997.24x = 2,756.42 × 1,201
  4. Step 4: Simplify right side
    1,997.24x = 3,310,460.42
  5. Step 5: Solve for x
    x = 3,310,460.42/1,997.24
  6. Step 6: Final answer
    x = 1,657.52

Related Problems

Find fourth proportional to 998.62, 1,378.21 and 600.50
Half scale
Find fourth proportional to 3,994.48, 5,512.84 and 2,402
Double scale
Find fourth proportional to 1,998.24, 2,757.80 and 1,202
Similar ratio
Find fourth proportional to 2,995.86, 4,134.63 and 1,801.50
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.