Home / 1,545.53-2,132.84-882.40

Finding the Fourth Proportional to 1,545.53, 2,132.84 and 882.40

Calculator

Solution

The fourth proportional to 1,545.53, 2,132.84 and 882.40 is: 1,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.53 : 2,132.84 = 882.40 : x
  2. Step 2: Convert to fraction form
    1,545.53/2,132.84 = 882.40/x
  3. Step 3: Cross multiply
    1,545.53x = 2,132.84 × 882.40
  4. Step 4: Simplify right side
    1,545.53x = 1,882,018.02
  5. Step 5: Solve for x
    x = 1,882,018.02/1,545.53
  6. Step 6: Final answer
    x = 1,217.72

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.