Home / 3,608.86-5,410-1,417

Finding the Fourth Proportional to 3,608.86, 5,410 and 1,417

Calculator

Solution

The fourth proportional to 3,608.86, 5,410 and 1,417 is: 2,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.86 : 5,410 = 1,417 : x
  2. Step 2: Convert to fraction form
    3,608.86/5,410 = 1,417/x
  3. Step 3: Cross multiply
    3,608.86x = 5,410 × 1,417
  4. Step 4: Simplify right side
    3,608.86x = 7,665,970
  5. Step 5: Solve for x
    x = 7,665,970/3,608.86
  6. Step 6: Final answer
    x = 2,124.21

Related Problems

Find fourth proportional to 1,804.43, 2,705 and 708.50
Half scale
Find fourth proportional to 7,217.72, 10,820 and 2,834
Double scale
Find fourth proportional to 3,609.86, 5,411.50 and 1,418
Similar ratio
Find fourth proportional to 5,413.29, 8,115 and 2,125.50
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.