Home / 1,925.23-2,656.33-1,139.53

Finding the Fourth Proportional to 1,925.23, 2,656.33 and 1,139.53

Calculator

Solution

The fourth proportional to 1,925.23, 2,656.33 and 1,139.53 is: 1,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.23 : 2,656.33 = 1,139.53 : x
  2. Step 2: Convert to fraction form
    1,925.23/2,656.33 = 1,139.53/x
  3. Step 3: Cross multiply
    1,925.23x = 2,656.33 × 1,139.53
  4. Step 4: Simplify right side
    1,925.23x = 3,026,967.72
  5. Step 5: Solve for x
    x = 3,026,967.72/1,925.23
  6. Step 6: Final answer
    x = 1,572.26

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.