Home / 1,368.96-1,889.52-838.02

Finding the Fourth Proportional to 1,368.96, 1,889.52 and 838.02

Calculator

Solution

The fourth proportional to 1,368.96, 1,889.52 and 838.02 is: 1,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.96 : 1,889.52 = 838.02 : x
  2. Step 2: Convert to fraction form
    1,368.96/1,889.52 = 838.02/x
  3. Step 3: Cross multiply
    1,368.96x = 1,889.52 × 838.02
  4. Step 4: Simplify right side
    1,368.96x = 1,583,455.55
  5. Step 5: Solve for x
    x = 1,583,455.55/1,368.96
  6. Step 6: Final answer
    x = 1,156.69

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.