Home / 1,392.83-1,921.57-795.35

Finding the Fourth Proportional to 1,392.83, 1,921.57 and 795.35

Calculator

Solution

The fourth proportional to 1,392.83, 1,921.57 and 795.35 is: 1,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392.83 : 1,921.57 = 795.35 : x
  2. Step 2: Convert to fraction form
    1,392.83/1,921.57 = 795.35/x
  3. Step 3: Cross multiply
    1,392.83x = 1,921.57 × 795.35
  4. Step 4: Simplify right side
    1,392.83x = 1,528,320.70
  5. Step 5: Solve for x
    x = 1,528,320.70/1,392.83
  6. Step 6: Final answer
    x = 1,097.28

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.