Home / 1,657.41-2,485.90-683.38

Finding the Fourth Proportional to 1,657.41, 2,485.90 and 683.38

Calculator

Solution

The fourth proportional to 1,657.41, 2,485.90 and 683.38 is: 1,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.41 : 2,485.90 = 683.38 : x
  2. Step 2: Convert to fraction form
    1,657.41/2,485.90 = 683.38/x
  3. Step 3: Cross multiply
    1,657.41x = 2,485.90 × 683.38
  4. Step 4: Simplify right side
    1,657.41x = 1,698,814.34
  5. Step 5: Solve for x
    x = 1,698,814.34/1,657.41
  6. Step 6: Final answer
    x = 1,024.98

Related Problems

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.