Home / 1,410.75-1,947.06-1,111.32

Finding the Fourth Proportional to 1,410.75, 1,947.06 and 1,111.32

Calculator

Solution

The fourth proportional to 1,410.75, 1,947.06 and 1,111.32 is: 1,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.75 : 1,947.06 = 1,111.32 : x
  2. Step 2: Convert to fraction form
    1,410.75/1,947.06 = 1,111.32/x
  3. Step 3: Cross multiply
    1,410.75x = 1,947.06 × 1,111.32
  4. Step 4: Simplify right side
    1,410.75x = 2,163,806.72
  5. Step 5: Solve for x
    x = 2,163,806.72/1,410.75
  6. Step 6: Final answer
    x = 1,533.80

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.