Home / 1,505.63-2,077.77-842.49

Finding the Fourth Proportional to 1,505.63, 2,077.77 and 842.49

Calculator

Solution

The fourth proportional to 1,505.63, 2,077.77 and 842.49 is: 1,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.63 : 2,077.77 = 842.49 : x
  2. Step 2: Convert to fraction form
    1,505.63/2,077.77 = 842.49/x
  3. Step 3: Cross multiply
    1,505.63x = 2,077.77 × 842.49
  4. Step 4: Simplify right side
    1,505.63x = 1,750,498.87
  5. Step 5: Solve for x
    x = 1,750,498.87/1,505.63
  6. Step 6: Final answer
    x = 1,162.64

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.