Home / 3,777.32-5,655-2,312

Finding the Fourth Proportional to 3,777.32, 5,655 and 2,312

Calculator

Solution

The fourth proportional to 3,777.32, 5,655 and 2,312 is: 3,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.32 : 5,655 = 2,312 : x
  2. Step 2: Convert to fraction form
    3,777.32/5,655 = 2,312/x
  3. Step 3: Cross multiply
    3,777.32x = 5,655 × 2,312
  4. Step 4: Simplify right side
    3,777.32x = 13,074,360
  5. Step 5: Solve for x
    x = 13,074,360/3,777.32
  6. Step 6: Final answer
    x = 3,461.28

Related Problems

Find fourth proportional to 1,888.66, 2,827.50 and 1,156
Half scale
Find fourth proportional to 7,554.64, 11,310 and 4,624
Double scale
Find fourth proportional to 3,778.32, 5,656.50 and 2,313
Similar ratio
Find fourth proportional to 5,665.98, 8,482.50 and 3,468
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.