Home / 1,343.34-1,853.82-753.84

Finding the Fourth Proportional to 1,343.34, 1,853.82 and 753.84

Calculator

Solution

The fourth proportional to 1,343.34, 1,853.82 and 753.84 is: 1,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.34 : 1,853.82 = 753.84 : x
  2. Step 2: Convert to fraction form
    1,343.34/1,853.82 = 753.84/x
  3. Step 3: Cross multiply
    1,343.34x = 1,853.82 × 753.84
  4. Step 4: Simplify right side
    1,343.34x = 1,397,483.67
  5. Step 5: Solve for x
    x = 1,397,483.67/1,343.34
  6. Step 6: Final answer
    x = 1,040.31

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.