Home / 1,459.40-2,013.89-829.84

Finding the Fourth Proportional to 1,459.40, 2,013.89 and 829.84

Calculator

Solution

The fourth proportional to 1,459.40, 2,013.89 and 829.84 is: 1,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.40 : 2,013.89 = 829.84 : x
  2. Step 2: Convert to fraction form
    1,459.40/2,013.89 = 829.84/x
  3. Step 3: Cross multiply
    1,459.40x = 2,013.89 × 829.84
  4. Step 4: Simplify right side
    1,459.40x = 1,671,213.59
  5. Step 5: Solve for x
    x = 1,671,213.59/1,459.40
  6. Step 6: Final answer
    x = 1,145.14

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.