Home / 1,937.24-2,905.61-620.89

Finding the Fourth Proportional to 1,937.24, 2,905.61 and 620.89

Calculator

Solution

The fourth proportional to 1,937.24, 2,905.61 and 620.89 is: 931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.24 : 2,905.61 = 620.89 : x
  2. Step 2: Convert to fraction form
    1,937.24/2,905.61 = 620.89/x
  3. Step 3: Cross multiply
    1,937.24x = 2,905.61 × 620.89
  4. Step 4: Simplify right side
    1,937.24x = 1,804,049.66
  5. Step 5: Solve for x
    x = 1,804,049.66/1,937.24
  6. Step 6: Final answer
    x = 931.25

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.