Home / 2,938.47-4,052.70-1,818.62

Finding the Fourth Proportional to 2,938.47, 4,052.70 and 1,818.62

Calculator

Solution

The fourth proportional to 2,938.47, 4,052.70 and 1,818.62 is: 2,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.47 : 4,052.70 = 1,818.62 : x
  2. Step 2: Convert to fraction form
    2,938.47/4,052.70 = 1,818.62/x
  3. Step 3: Cross multiply
    2,938.47x = 4,052.70 × 1,818.62
  4. Step 4: Simplify right side
    2,938.47x = 7,370,301.01
  5. Step 5: Solve for x
    x = 7,370,301.01/2,938.47
  6. Step 6: Final answer
    x = 2,508.21

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.