Home / 1,017.32-1,403.07-886.10

Finding the Fourth Proportional to 1,017.32, 1,403.07 and 886.10

Calculator

Solution

The fourth proportional to 1,017.32, 1,403.07 and 886.10 is: 1,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017.32 : 1,403.07 = 886.10 : x
  2. Step 2: Convert to fraction form
    1,017.32/1,403.07 = 886.10/x
  3. Step 3: Cross multiply
    1,017.32x = 1,403.07 × 886.10
  4. Step 4: Simplify right side
    1,017.32x = 1,243,260.33
  5. Step 5: Solve for x
    x = 1,243,260.33/1,017.32
  6. Step 6: Final answer
    x = 1,222.09

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.