Home / 1,658-2,487-746

Finding the Fourth Proportional to 1,658, 2,487 and 746

Calculator

Solution

The fourth proportional to 1,658, 2,487 and 746 is: 1,119

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658 : 2,487 = 746 : x
  2. Step 2: Convert to fraction form
    1,658/2,487 = 746/x
  3. Step 3: Cross multiply
    1,658x = 2,487 × 746
  4. Step 4: Simplify right side
    1,658x = 1,855,302
  5. Step 5: Solve for x
    x = 1,855,302/1,658
  6. Step 6: Final answer
    x = 1,119

Related Problems

Find fourth proportional to 829, 1,243.50 and 373
Half scale
Find fourth proportional to 3,316, 4,974 and 1,492
Double scale
Find fourth proportional to 1,659, 2,488.50 and 747
Similar ratio
Find fourth proportional to 2,487, 3,730.50 and 1,119
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.