Home / 2,710-4,065-886

Finding the Fourth Proportional to 2,710, 4,065 and 886

Calculator

Solution

The fourth proportional to 2,710, 4,065 and 886 is: 1,329

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710 : 4,065 = 886 : x
  2. Step 2: Convert to fraction form
    2,710/4,065 = 886/x
  3. Step 3: Cross multiply
    2,710x = 4,065 × 886
  4. Step 4: Simplify right side
    2,710x = 3,601,590
  5. Step 5: Solve for x
    x = 3,601,590/2,710
  6. Step 6: Final answer
    x = 1,329

Related Problems

Find fourth proportional to 1,355, 2,032.50 and 443
Half scale
Find fourth proportional to 5,420, 8,130 and 1,772
Double scale
Find fourth proportional to 2,711, 4,066.50 and 887
Similar ratio
Find fourth proportional to 4,065, 6,097.50 and 1,329
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.