Home / 3,453.93-5,180.13-988.74

Finding the Fourth Proportional to 3,453.93, 5,180.13 and 988.74

Calculator

Solution

The fourth proportional to 3,453.93, 5,180.13 and 988.74 is: 1,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.93 : 5,180.13 = 988.74 : x
  2. Step 2: Convert to fraction form
    3,453.93/5,180.13 = 988.74/x
  3. Step 3: Cross multiply
    3,453.93x = 5,180.13 × 988.74
  4. Step 4: Simplify right side
    3,453.93x = 5,121,801.74
  5. Step 5: Solve for x
    x = 5,121,801.74/3,453.93
  6. Step 6: Final answer
    x = 1,482.89

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.