Home / 2,520.11-3,779.66-959.04

Finding the Fourth Proportional to 2,520.11, 3,779.66 and 959.04

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Solution

The fourth proportional to 2,520.11, 3,779.66 and 959.04 is: 1,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.11 : 3,779.66 = 959.04 : x
  2. Step 2: Convert to fraction form
    2,520.11/3,779.66 = 959.04/x
  3. Step 3: Cross multiply
    2,520.11x = 3,779.66 × 959.04
  4. Step 4: Simplify right side
    2,520.11x = 3,624,847.52
  5. Step 5: Solve for x
    x = 3,624,847.52/2,520.11
  6. Step 6: Final answer
    x = 1,438.37

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1.5x scale

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.