Home / 1,837-2,755.50-469

Finding the Fourth Proportional to 1,837, 2,755.50 and 469

Calculator

Solution

The fourth proportional to 1,837, 2,755.50 and 469 is: 703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837 : 2,755.50 = 469 : x
  2. Step 2: Convert to fraction form
    1,837/2,755.50 = 469/x
  3. Step 3: Cross multiply
    1,837x = 2,755.50 × 469
  4. Step 4: Simplify right side
    1,837x = 1,292,329.50
  5. Step 5: Solve for x
    x = 1,292,329.50/1,837
  6. Step 6: Final answer
    x = 703.50

Related Problems

Find fourth proportional to 918.50, 1,377.75 and 234.50
Half scale
Find fourth proportional to 3,674, 5,511 and 938
Double scale
Find fourth proportional to 1,838, 2,757 and 470
Similar ratio
Find fourth proportional to 2,755.50, 4,133.25 and 703.50
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.