Home / 1,313.93-1,812.76-841.90

Finding the Fourth Proportional to 1,313.93, 1,812.76 and 841.90

Calculator

Solution

The fourth proportional to 1,313.93, 1,812.76 and 841.90 is: 1,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313.93 : 1,812.76 = 841.90 : x
  2. Step 2: Convert to fraction form
    1,313.93/1,812.76 = 841.90/x
  3. Step 3: Cross multiply
    1,313.93x = 1,812.76 × 841.90
  4. Step 4: Simplify right side
    1,313.93x = 1,526,156.01
  5. Step 5: Solve for x
    x = 1,526,156.01/1,313.93
  6. Step 6: Final answer
    x = 1,161.52

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.