Home / 1,888.01-2,832-655.41

Finding the Fourth Proportional to 1,888.01, 2,832 and 655.41

Calculator

Solution

The fourth proportional to 1,888.01, 2,832 and 655.41 is: 983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.01 : 2,832 = 655.41 : x
  2. Step 2: Convert to fraction form
    1,888.01/2,832 = 655.41/x
  3. Step 3: Cross multiply
    1,888.01x = 2,832 × 655.41
  4. Step 4: Simplify right side
    1,888.01x = 1,856,121.12
  5. Step 5: Solve for x
    x = 1,856,121.12/1,888.01
  6. Step 6: Final answer
    x = 983.11

Related Problems

Find fourth proportional to 944.00, 1,416 and 327.71
Half scale
Find fourth proportional to 3,776.01, 5,664 and 1,310.82
Double scale
Find fourth proportional to 1,889.01, 2,833.50 and 656.41
Similar ratio
Find fourth proportional to 2,832.01, 4,248 and 983.12
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.