Home / 3,918.50-5,877.69-1,579.10

Finding the Fourth Proportional to 3,918.50, 5,877.69 and 1,579.10

Calculator

Solution

The fourth proportional to 3,918.50, 5,877.69 and 1,579.10 is: 2,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.50 : 5,877.69 = 1,579.10 : x
  2. Step 2: Convert to fraction form
    3,918.50/5,877.69 = 1,579.10/x
  3. Step 3: Cross multiply
    3,918.50x = 5,877.69 × 1,579.10
  4. Step 4: Simplify right side
    3,918.50x = 9,281,430.89
  5. Step 5: Solve for x
    x = 9,281,430.89/3,918.50
  6. Step 6: Final answer
    x = 2,368.62

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.