Home / 1,470.98-2,029.89-881.20

Finding the Fourth Proportional to 1,470.98, 2,029.89 and 881.20

Calculator

Solution

The fourth proportional to 1,470.98, 2,029.89 and 881.20 is: 1,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.98 : 2,029.89 = 881.20 : x
  2. Step 2: Convert to fraction form
    1,470.98/2,029.89 = 881.20/x
  3. Step 3: Cross multiply
    1,470.98x = 2,029.89 × 881.20
  4. Step 4: Simplify right side
    1,470.98x = 1,788,739.07
  5. Step 5: Solve for x
    x = 1,788,739.07/1,470.98
  6. Step 6: Final answer
    x = 1,216.02

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.