Home / 1,342.65-1,852.89-753.18

Finding the Fourth Proportional to 1,342.65, 1,852.89 and 753.18

Calculator

Solution

The fourth proportional to 1,342.65, 1,852.89 and 753.18 is: 1,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.65 : 1,852.89 = 753.18 : x
  2. Step 2: Convert to fraction form
    1,342.65/1,852.89 = 753.18/x
  3. Step 3: Cross multiply
    1,342.65x = 1,852.89 × 753.18
  4. Step 4: Simplify right side
    1,342.65x = 1,395,559.69
  5. Step 5: Solve for x
    x = 1,395,559.69/1,342.65
  6. Step 6: Final answer
    x = 1,039.41

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.