Home / 2,802.60-4,203.81-1,157.90

Finding the Fourth Proportional to 2,802.60, 4,203.81 and 1,157.90

Calculator

Solution

The fourth proportional to 2,802.60, 4,203.81 and 1,157.90 is: 1,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.60 : 4,203.81 = 1,157.90 : x
  2. Step 2: Convert to fraction form
    2,802.60/4,203.81 = 1,157.90/x
  3. Step 3: Cross multiply
    2,802.60x = 4,203.81 × 1,157.90
  4. Step 4: Simplify right side
    2,802.60x = 4,867,591.60
  5. Step 5: Solve for x
    x = 4,867,591.60/2,802.60
  6. Step 6: Final answer
    x = 1,736.81

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.