Home / 1,475.16-2,212.24-653.40

Finding the Fourth Proportional to 1,475.16, 2,212.24 and 653.40

Calculator

Solution

The fourth proportional to 1,475.16, 2,212.24 and 653.40 is: 979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.16 : 2,212.24 = 653.40 : x
  2. Step 2: Convert to fraction form
    1,475.16/2,212.24 = 653.40/x
  3. Step 3: Cross multiply
    1,475.16x = 2,212.24 × 653.40
  4. Step 4: Simplify right side
    1,475.16x = 1,445,477.62
  5. Step 5: Solve for x
    x = 1,445,477.62/1,475.16
  6. Step 6: Final answer
    x = 979.88

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.