Home / 2,071.62-2,858.27-1,187.37

Finding the Fourth Proportional to 2,071.62, 2,858.27 and 1,187.37

Calculator

Solution

The fourth proportional to 2,071.62, 2,858.27 and 1,187.37 is: 1,638.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.62 : 2,858.27 = 1,187.37 : x
  2. Step 2: Convert to fraction form
    2,071.62/2,858.27 = 1,187.37/x
  3. Step 3: Cross multiply
    2,071.62x = 2,858.27 × 1,187.37
  4. Step 4: Simplify right side
    2,071.62x = 3,393,818.11
  5. Step 5: Solve for x
    x = 3,393,818.11/2,071.62
  6. Step 6: Final answer
    x = 1,638.24

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.