Home / 434-651-130

Finding the Fourth Proportional to 434, 651 and 130

Calculator

Solution

The fourth proportional to 434, 651 and 130 is: 195

Step by Step Solution

  1. Step 1: Write the proportion equation
    434 : 651 = 130 : x
  2. Step 2: Convert to fraction form
    434/651 = 130/x
  3. Step 3: Cross multiply
    434x = 651 × 130
  4. Step 4: Simplify right side
    434x = 84,630
  5. Step 5: Solve for x
    x = 84,630/434
  6. Step 6: Final answer
    x = 195

Related Problems

Find fourth proportional to 217, 325.50 and 65
Half scale
Find fourth proportional to 868, 1,302 and 260
Double scale
Find fourth proportional to 435, 652.50 and 131
Similar ratio
Find fourth proportional to 651, 976.50 and 195
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.