Home / 1,985.39-2,733.57-1,511.77

Finding the Fourth Proportional to 1,985.39, 2,733.57 and 1,511.77

Calculator

Solution

The fourth proportional to 1,985.39, 2,733.57 and 1,511.77 is: 2,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.39 : 2,733.57 = 1,511.77 : x
  2. Step 2: Convert to fraction form
    1,985.39/2,733.57 = 1,511.77/x
  3. Step 3: Cross multiply
    1,985.39x = 2,733.57 × 1,511.77
  4. Step 4: Simplify right side
    1,985.39x = 4,132,511.31
  5. Step 5: Solve for x
    x = 4,132,511.31/1,985.39
  6. Step 6: Final answer
    x = 2,081.46

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.