Home / 2,710.56-3,740.32-1,531.72

Finding the Fourth Proportional to 2,710.56, 3,740.32 and 1,531.72

Calculator

Solution

The fourth proportional to 2,710.56, 3,740.32 and 1,531.72 is: 2,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.56 : 3,740.32 = 1,531.72 : x
  2. Step 2: Convert to fraction form
    2,710.56/3,740.32 = 1,531.72/x
  3. Step 3: Cross multiply
    2,710.56x = 3,740.32 × 1,531.72
  4. Step 4: Simplify right side
    2,710.56x = 5,729,122.95
  5. Step 5: Solve for x
    x = 5,729,122.95/2,710.56
  6. Step 6: Final answer
    x = 2,113.63

Related Problems

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.