Home / 1,420-2,130.84-598.22

Finding the Fourth Proportional to 1,420, 2,130.84 and 598.22

Calculator

Solution

The fourth proportional to 1,420, 2,130.84 and 598.22 is: 897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420 : 2,130.84 = 598.22 : x
  2. Step 2: Convert to fraction form
    1,420/2,130.84 = 598.22/x
  3. Step 3: Cross multiply
    1,420x = 2,130.84 × 598.22
  4. Step 4: Simplify right side
    1,420x = 1,274,711.10
  5. Step 5: Solve for x
    x = 1,274,711.10/1,420
  6. Step 6: Final answer
    x = 897.68

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.