Home / 1,776.32-2,664.80-802.88

Finding the Fourth Proportional to 1,776.32, 2,664.80 and 802.88

Calculator

Solution

The fourth proportional to 1,776.32, 2,664.80 and 802.88 is: 1,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.32 : 2,664.80 = 802.88 : x
  2. Step 2: Convert to fraction form
    1,776.32/2,664.80 = 802.88/x
  3. Step 3: Cross multiply
    1,776.32x = 2,664.80 × 802.88
  4. Step 4: Simplify right side
    1,776.32x = 2,139,514.62
  5. Step 5: Solve for x
    x = 2,139,514.62/1,776.32
  6. Step 6: Final answer
    x = 1,204.46

Related Problems

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.