Home / 2,656.62-3,985.43-1,097.51

Finding the Fourth Proportional to 2,656.62, 3,985.43 and 1,097.51

Calculator

Solution

The fourth proportional to 2,656.62, 3,985.43 and 1,097.51 is: 1,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.62 : 3,985.43 = 1,097.51 : x
  2. Step 2: Convert to fraction form
    2,656.62/3,985.43 = 1,097.51/x
  3. Step 3: Cross multiply
    2,656.62x = 3,985.43 × 1,097.51
  4. Step 4: Simplify right side
    2,656.62x = 4,374,023.86
  5. Step 5: Solve for x
    x = 4,374,023.86/2,656.62
  6. Step 6: Final answer
    x = 1,646.46

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.