Home / 1,300.32-1,949.67-866.16

Finding the Fourth Proportional to 1,300.32, 1,949.67 and 866.16

Calculator

Solution

The fourth proportional to 1,300.32, 1,949.67 and 866.16 is: 1,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300.32 : 1,949.67 = 866.16 : x
  2. Step 2: Convert to fraction form
    1,300.32/1,949.67 = 866.16/x
  3. Step 3: Cross multiply
    1,300.32x = 1,949.67 × 866.16
  4. Step 4: Simplify right side
    1,300.32x = 1,688,726.17
  5. Step 5: Solve for x
    x = 1,688,726.17/1,300.32
  6. Step 6: Final answer
    x = 1,298.70

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.