Home / 2,649.22-3,656.15-1,470.40

Finding the Fourth Proportional to 2,649.22, 3,656.15 and 1,470.40

Calculator

Solution

The fourth proportional to 2,649.22, 3,656.15 and 1,470.40 is: 2,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.22 : 3,656.15 = 1,470.40 : x
  2. Step 2: Convert to fraction form
    2,649.22/3,656.15 = 1,470.40/x
  3. Step 3: Cross multiply
    2,649.22x = 3,656.15 × 1,470.40
  4. Step 4: Simplify right side
    2,649.22x = 5,376,002.96
  5. Step 5: Solve for x
    x = 5,376,002.96/2,649.22
  6. Step 6: Final answer
    x = 2,029.28

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.