Home / 3,713.72-5,123.25-2,386.94

Finding the Fourth Proportional to 3,713.72, 5,123.25 and 2,386.94

Calculator

Solution

The fourth proportional to 3,713.72, 5,123.25 and 2,386.94 is: 3,292.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.72 : 5,123.25 = 2,386.94 : x
  2. Step 2: Convert to fraction form
    3,713.72/5,123.25 = 2,386.94/x
  3. Step 3: Cross multiply
    3,713.72x = 5,123.25 × 2,386.94
  4. Step 4: Simplify right side
    3,713.72x = 12,228,864.74
  5. Step 5: Solve for x
    x = 12,228,864.74/3,713.72
  6. Step 6: Final answer
    x = 3,292.89

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.