Home / 2,685.50-3,706-1,754

Finding the Fourth Proportional to 2,685.50, 3,706 and 1,754

Calculator

Solution

The fourth proportional to 2,685.50, 3,706 and 1,754 is: 2,420.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.50 : 3,706 = 1,754 : x
  2. Step 2: Convert to fraction form
    2,685.50/3,706 = 1,754/x
  3. Step 3: Cross multiply
    2,685.50x = 3,706 × 1,754
  4. Step 4: Simplify right side
    2,685.50x = 6,500,324
  5. Step 5: Solve for x
    x = 6,500,324/2,685.50
  6. Step 6: Final answer
    x = 2,420.53

Related Problems

Find fourth proportional to 1,342.75, 1,853 and 877
Half scale
Find fourth proportional to 5,371, 7,412 and 3,508
Double scale
Find fourth proportional to 2,686.50, 3,707.38 and 1,755
Similar ratio
Find fourth proportional to 4,028.25, 5,559 and 2,631
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.