Home / 1,075.72-1,614-382.46

Finding the Fourth Proportional to 1,075.72, 1,614 and 382.46

Calculator

Solution

The fourth proportional to 1,075.72, 1,614 and 382.46 is: 573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.72 : 1,614 = 382.46 : x
  2. Step 2: Convert to fraction form
    1,075.72/1,614 = 382.46/x
  3. Step 3: Cross multiply
    1,075.72x = 1,614 × 382.46
  4. Step 4: Simplify right side
    1,075.72x = 617,290.44
  5. Step 5: Solve for x
    x = 617,290.44/1,075.72
  6. Step 6: Final answer
    x = 573.84

Related Problems

Find fourth proportional to 537.86, 807 and 191.23
Half scale
Find fourth proportional to 2,151.44, 3,228 and 764.92
Double scale
Find fourth proportional to 1,076.72, 1,615.50 and 383.46
Similar ratio
Find fourth proportional to 1,613.58, 2,421 and 573.69
1.5x scale

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.