Home / 1,978.75-2,730.54-1,094.50

Finding the Fourth Proportional to 1,978.75, 2,730.54 and 1,094.50

Calculator

Solution

The fourth proportional to 1,978.75, 2,730.54 and 1,094.50 is: 1,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.75 : 2,730.54 = 1,094.50 : x
  2. Step 2: Convert to fraction form
    1,978.75/2,730.54 = 1,094.50/x
  3. Step 3: Cross multiply
    1,978.75x = 2,730.54 × 1,094.50
  4. Step 4: Simplify right side
    1,978.75x = 2,988,576.03
  5. Step 5: Solve for x
    x = 2,988,576.03/1,978.75
  6. Step 6: Final answer
    x = 1,510.34

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.