Home / 1,978.18-2,729.91-1,094.02

Finding the Fourth Proportional to 1,978.18, 2,729.91 and 1,094.02

Calculator

Solution

The fourth proportional to 1,978.18, 2,729.91 and 1,094.02 is: 1,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.18 : 2,729.91 = 1,094.02 : x
  2. Step 2: Convert to fraction form
    1,978.18/2,729.91 = 1,094.02/x
  3. Step 3: Cross multiply
    1,978.18x = 2,729.91 × 1,094.02
  4. Step 4: Simplify right side
    1,978.18x = 2,986,576.14
  5. Step 5: Solve for x
    x = 2,986,576.14/1,978.18
  6. Step 6: Final answer
    x = 1,509.76

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.