Home / 3,130.81-4,698.96-1,670.99

Finding the Fourth Proportional to 3,130.81, 4,698.96 and 1,670.99

Calculator

Solution

The fourth proportional to 3,130.81, 4,698.96 and 1,670.99 is: 2,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.81 : 4,698.96 = 1,670.99 : x
  2. Step 2: Convert to fraction form
    3,130.81/4,698.96 = 1,670.99/x
  3. Step 3: Cross multiply
    3,130.81x = 4,698.96 × 1,670.99
  4. Step 4: Simplify right side
    3,130.81x = 7,851,911.84
  5. Step 5: Solve for x
    x = 7,851,911.84/3,130.81
  6. Step 6: Final answer
    x = 2,507.95

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.