Home / 2,749.72-3,794.64-1,507.72

Finding the Fourth Proportional to 2,749.72, 3,794.64 and 1,507.72

Calculator

Solution

The fourth proportional to 2,749.72, 3,794.64 and 1,507.72 is: 2,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.72 : 3,794.64 = 1,507.72 : x
  2. Step 2: Convert to fraction form
    2,749.72/3,794.64 = 1,507.72/x
  3. Step 3: Cross multiply
    2,749.72x = 3,794.64 × 1,507.72
  4. Step 4: Simplify right side
    2,749.72x = 5,721,254.62
  5. Step 5: Solve for x
    x = 5,721,254.62/2,749.72
  6. Step 6: Final answer
    x = 2,080.67

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.