Home / 1,100.02-1,518-602.63

Finding the Fourth Proportional to 1,100.02, 1,518 and 602.63

Calculator

Solution

The fourth proportional to 1,100.02, 1,518 and 602.63 is: 831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.02 : 1,518 = 602.63 : x
  2. Step 2: Convert to fraction form
    1,100.02/1,518 = 602.63/x
  3. Step 3: Cross multiply
    1,100.02x = 1,518 × 602.63
  4. Step 4: Simplify right side
    1,100.02x = 914,792.34
  5. Step 5: Solve for x
    x = 914,792.34/1,100.02
  6. Step 6: Final answer
    x = 831.61

Related Problems

Find fourth proportional to 550.01, 759 and 301.32
Half scale
Find fourth proportional to 2,200.04, 3,036 and 1,205.26
Double scale
Find fourth proportional to 1,101.02, 1,519.38 and 603.63
Similar ratio
Find fourth proportional to 1,650.03, 2,277 and 903.95
1.5x scale

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.