Home / 1,970.34-2,719.56-1,119.83

Finding the Fourth Proportional to 1,970.34, 2,719.56 and 1,119.83

Calculator

Solution

The fourth proportional to 1,970.34, 2,719.56 and 1,119.83 is: 1,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970.34 : 2,719.56 = 1,119.83 : x
  2. Step 2: Convert to fraction form
    1,970.34/2,719.56 = 1,119.83/x
  3. Step 3: Cross multiply
    1,970.34x = 2,719.56 × 1,119.83
  4. Step 4: Simplify right side
    1,970.34x = 3,045,429.18
  5. Step 5: Solve for x
    x = 3,045,429.18/1,970.34
  6. Step 6: Final answer
    x = 1,545.63

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.