Home / 1,523.18-2,102-963.90

Finding the Fourth Proportional to 1,523.18, 2,102 and 963.90

Calculator

Solution

The fourth proportional to 1,523.18, 2,102 and 963.90 is: 1,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.18 : 2,102 = 963.90 : x
  2. Step 2: Convert to fraction form
    1,523.18/2,102 = 963.90/x
  3. Step 3: Cross multiply
    1,523.18x = 2,102 × 963.90
  4. Step 4: Simplify right side
    1,523.18x = 2,026,117.80
  5. Step 5: Solve for x
    x = 2,026,117.80/1,523.18
  6. Step 6: Final answer
    x = 1,330.19

Related Problems

Find fourth proportional to 761.59, 1,051 and 481.95
Half scale
Find fourth proportional to 3,046.36, 4,204 and 1,927.80
Double scale
Find fourth proportional to 1,524.18, 2,103.38 and 964.90
Similar ratio
Find fourth proportional to 2,284.77, 3,153 and 1,445.85
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.