Home / 2,102.83-2,903.13-1,395.63

Finding the Fourth Proportional to 2,102.83, 2,903.13 and 1,395.63

Calculator

Solution

The fourth proportional to 2,102.83, 2,903.13 and 1,395.63 is: 1,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.83 : 2,903.13 = 1,395.63 : x
  2. Step 2: Convert to fraction form
    2,102.83/2,903.13 = 1,395.63/x
  3. Step 3: Cross multiply
    2,102.83x = 2,903.13 × 1,395.63
  4. Step 4: Simplify right side
    2,102.83x = 4,051,695.32
  5. Step 5: Solve for x
    x = 4,051,695.32/2,102.83
  6. Step 6: Final answer
    x = 1,926.78

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.