Home / 2,151.32-2,969.81-1,653.79

Finding the Fourth Proportional to 2,151.32, 2,969.81 and 1,653.79

Calculator

Solution

The fourth proportional to 2,151.32, 2,969.81 and 1,653.79 is: 2,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.32 : 2,969.81 = 1,653.79 : x
  2. Step 2: Convert to fraction form
    2,151.32/2,969.81 = 1,653.79/x
  3. Step 3: Cross multiply
    2,151.32x = 2,969.81 × 1,653.79
  4. Step 4: Simplify right side
    2,151.32x = 4,911,432.59
  5. Step 5: Solve for x
    x = 4,911,432.59/2,151.32
  6. Step 6: Final answer
    x = 2,282.98

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.