Home / 1,486.12-2,225.94-715

Finding the Fourth Proportional to 1,486.12, 2,225.94 and 715

Calculator

Solution

The fourth proportional to 1,486.12, 2,225.94 and 715 is: 1,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.12 : 2,225.94 = 715 : x
  2. Step 2: Convert to fraction form
    1,486.12/2,225.94 = 715/x
  3. Step 3: Cross multiply
    1,486.12x = 2,225.94 × 715
  4. Step 4: Simplify right side
    1,486.12x = 1,591,547.10
  5. Step 5: Solve for x
    x = 1,591,547.10/1,486.12
  6. Step 6: Final answer
    x = 1,070.94

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.