Home / 2,591.58-3,887.70-948.90

Finding the Fourth Proportional to 2,591.58, 3,887.70 and 948.90

Calculator

Solution

The fourth proportional to 2,591.58, 3,887.70 and 948.90 is: 1,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.58 : 3,887.70 = 948.90 : x
  2. Step 2: Convert to fraction form
    2,591.58/3,887.70 = 948.90/x
  3. Step 3: Cross multiply
    2,591.58x = 3,887.70 × 948.90
  4. Step 4: Simplify right side
    2,591.58x = 3,689,038.53
  5. Step 5: Solve for x
    x = 3,689,038.53/2,591.58
  6. Step 6: Final answer
    x = 1,423.47

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.