Home / 2,091.48-2,885.58-1,207.16

Finding the Fourth Proportional to 2,091.48, 2,885.58 and 1,207.16

Calculator

Solution

The fourth proportional to 2,091.48, 2,885.58 and 1,207.16 is: 1,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.48 : 2,885.58 = 1,207.16 : x
  2. Step 2: Convert to fraction form
    2,091.48/2,885.58 = 1,207.16/x
  3. Step 3: Cross multiply
    2,091.48x = 2,885.58 × 1,207.16
  4. Step 4: Simplify right side
    2,091.48x = 3,483,356.75
  5. Step 5: Solve for x
    x = 3,483,356.75/2,091.48
  6. Step 6: Final answer
    x = 1,665.50

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.