Home / 1,135.84-1,567.14-915.04

Finding the Fourth Proportional to 1,135.84, 1,567.14 and 915.04

Calculator

Solution

The fourth proportional to 1,135.84, 1,567.14 and 915.04 is: 1,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.84 : 1,567.14 = 915.04 : x
  2. Step 2: Convert to fraction form
    1,135.84/1,567.14 = 915.04/x
  3. Step 3: Cross multiply
    1,135.84x = 1,567.14 × 915.04
  4. Step 4: Simplify right side
    1,135.84x = 1,433,995.79
  5. Step 5: Solve for x
    x = 1,433,995.79/1,135.84
  6. Step 6: Final answer
    x = 1,262.50

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.