Home / 1,430.34-1,974.96-1,082.76

Finding the Fourth Proportional to 1,430.34, 1,974.96 and 1,082.76

Calculator

Solution

The fourth proportional to 1,430.34, 1,974.96 and 1,082.76 is: 1,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.34 : 1,974.96 = 1,082.76 : x
  2. Step 2: Convert to fraction form
    1,430.34/1,974.96 = 1,082.76/x
  3. Step 3: Cross multiply
    1,430.34x = 1,974.96 × 1,082.76
  4. Step 4: Simplify right side
    1,430.34x = 2,138,407.69
  5. Step 5: Solve for x
    x = 2,138,407.69/1,430.34
  6. Step 6: Final answer
    x = 1,495.03

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.