Home / 1,978.39-2,730.14-1,094.18

Finding the Fourth Proportional to 1,978.39, 2,730.14 and 1,094.18

Calculator

Solution

The fourth proportional to 1,978.39, 2,730.14 and 1,094.18 is: 1,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.39 : 2,730.14 = 1,094.18 : x
  2. Step 2: Convert to fraction form
    1,978.39/2,730.14 = 1,094.18/x
  3. Step 3: Cross multiply
    1,978.39x = 2,730.14 × 1,094.18
  4. Step 4: Simplify right side
    1,978.39x = 2,987,251.61
  5. Step 5: Solve for x
    x = 2,987,251.61/1,978.39
  6. Step 6: Final answer
    x = 1,509.94

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.