Home / 3,156-4,736-1,332

Finding the Fourth Proportional to 3,156, 4,736 and 1,332

Calculator

Solution

The fourth proportional to 3,156, 4,736 and 1,332 is: 1,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156 : 4,736 = 1,332 : x
  2. Step 2: Convert to fraction form
    3,156/4,736 = 1,332/x
  3. Step 3: Cross multiply
    3,156x = 4,736 × 1,332
  4. Step 4: Simplify right side
    3,156x = 6,308,352
  5. Step 5: Solve for x
    x = 6,308,352/3,156
  6. Step 6: Final answer
    x = 1,998.84

Related Problems

Find fourth proportional to 1,578, 2,368 and 666
Half scale
Find fourth proportional to 6,312, 9,472 and 2,664
Double scale
Find fourth proportional to 3,157, 4,737.50 and 1,333
Similar ratio
Find fourth proportional to 4,734, 7,104 and 1,998
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.