Home / 1,347.09-1,858.98-757.62

Finding the Fourth Proportional to 1,347.09, 1,858.98 and 757.62

Calculator

Solution

The fourth proportional to 1,347.09, 1,858.98 and 757.62 is: 1,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.09 : 1,858.98 = 757.62 : x
  2. Step 2: Convert to fraction form
    1,347.09/1,858.98 = 757.62/x
  3. Step 3: Cross multiply
    1,347.09x = 1,858.98 × 757.62
  4. Step 4: Simplify right side
    1,347.09x = 1,408,400.43
  5. Step 5: Solve for x
    x = 1,408,400.43/1,347.09
  6. Step 6: Final answer
    x = 1,045.51

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.