Home / 1,409.30-2,111.52-975.95

Finding the Fourth Proportional to 1,409.30, 2,111.52 and 975.95

Calculator

Solution

The fourth proportional to 1,409.30, 2,111.52 and 975.95 is: 1,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409.30 : 2,111.52 = 975.95 : x
  2. Step 2: Convert to fraction form
    1,409.30/2,111.52 = 975.95/x
  3. Step 3: Cross multiply
    1,409.30x = 2,111.52 × 975.95
  4. Step 4: Simplify right side
    1,409.30x = 2,060,737.94
  5. Step 5: Solve for x
    x = 2,060,737.94/1,409.30
  6. Step 6: Final answer
    x = 1,462.24

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.