Home / 1,389.88-2,083.08-567.70

Finding the Fourth Proportional to 1,389.88, 2,083.08 and 567.70

Calculator

Solution

The fourth proportional to 1,389.88, 2,083.08 and 567.70 is: 850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389.88 : 2,083.08 = 567.70 : x
  2. Step 2: Convert to fraction form
    1,389.88/2,083.08 = 567.70/x
  3. Step 3: Cross multiply
    1,389.88x = 2,083.08 × 567.70
  4. Step 4: Simplify right side
    1,389.88x = 1,182,564.52
  5. Step 5: Solve for x
    x = 1,182,564.52/1,389.88
  6. Step 6: Final answer
    x = 850.84

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.