Home / 2,356-3,534-624.64

Finding the Fourth Proportional to 2,356, 3,534 and 624.64

Calculator

Solution

The fourth proportional to 2,356, 3,534 and 624.64 is: 936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356 : 3,534 = 624.64 : x
  2. Step 2: Convert to fraction form
    2,356/3,534 = 624.64/x
  3. Step 3: Cross multiply
    2,356x = 3,534 × 624.64
  4. Step 4: Simplify right side
    2,356x = 2,207,477.76
  5. Step 5: Solve for x
    x = 2,207,477.76/2,356
  6. Step 6: Final answer
    x = 936.96

Related Problems

Find fourth proportional to 1,178, 1,767 and 312.32
Half scale
Find fourth proportional to 4,712, 7,068 and 1,249.28
Double scale
Find fourth proportional to 2,357, 3,535.50 and 625.64
Similar ratio
Find fourth proportional to 3,534, 5,301 and 936.96
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.