Home / 2,672.87-3,688.90-1,494

Finding the Fourth Proportional to 2,672.87, 3,688.90 and 1,494

Calculator

Solution

The fourth proportional to 2,672.87, 3,688.90 and 1,494 is: 2,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.87 : 3,688.90 = 1,494 : x
  2. Step 2: Convert to fraction form
    2,672.87/3,688.90 = 1,494/x
  3. Step 3: Cross multiply
    2,672.87x = 3,688.90 × 1,494
  4. Step 4: Simplify right side
    2,672.87x = 5,511,212.87
  5. Step 5: Solve for x
    x = 5,511,212.87/2,672.87
  6. Step 6: Final answer
    x = 2,061.91

Related Problems

Find fourth proportional to 1,336.43, 1,844.45 and 747
Half scale
Find fourth proportional to 5,345.73, 7,377.80 and 2,988
Double scale
Find fourth proportional to 2,673.87, 3,690.28 and 1,495
Similar ratio
Find fourth proportional to 4,009.30, 5,533.35 and 2,241
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.