Home / 1,308.63-1,962.32-760.98

Finding the Fourth Proportional to 1,308.63, 1,962.32 and 760.98

Calculator

Solution

The fourth proportional to 1,308.63, 1,962.32 and 760.98 is: 1,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.63 : 1,962.32 = 760.98 : x
  2. Step 2: Convert to fraction form
    1,308.63/1,962.32 = 760.98/x
  3. Step 3: Cross multiply
    1,308.63x = 1,962.32 × 760.98
  4. Step 4: Simplify right side
    1,308.63x = 1,493,282.47
  5. Step 5: Solve for x
    x = 1,493,282.47/1,308.63
  6. Step 6: Final answer
    x = 1,141.10

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.