Home / 1,698.32-2,544.53-918.86

Finding the Fourth Proportional to 1,698.32, 2,544.53 and 918.86

Calculator

Solution

The fourth proportional to 1,698.32, 2,544.53 and 918.86 is: 1,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.32 : 2,544.53 = 918.86 : x
  2. Step 2: Convert to fraction form
    1,698.32/2,544.53 = 918.86/x
  3. Step 3: Cross multiply
    1,698.32x = 2,544.53 × 918.86
  4. Step 4: Simplify right side
    1,698.32x = 2,338,054.39
  5. Step 5: Solve for x
    x = 2,338,054.39/1,698.32
  6. Step 6: Final answer
    x = 1,376.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.