Home / 1,685.52-2,328.21-1,297.35

Finding the Fourth Proportional to 1,685.52, 2,328.21 and 1,297.35

Calculator

Solution

The fourth proportional to 1,685.52, 2,328.21 and 1,297.35 is: 1,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.52 : 2,328.21 = 1,297.35 : x
  2. Step 2: Convert to fraction form
    1,685.52/2,328.21 = 1,297.35/x
  3. Step 3: Cross multiply
    1,685.52x = 2,328.21 × 1,297.35
  4. Step 4: Simplify right side
    1,685.52x = 3,020,503.24
  5. Step 5: Solve for x
    x = 3,020,503.24/1,685.52
  6. Step 6: Final answer
    x = 1,792.03

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.