Home / 2,421.88-3,634.20-2,015.94

Finding the Fourth Proportional to 2,421.88, 3,634.20 and 2,015.94

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Solution

The fourth proportional to 2,421.88, 3,634.20 and 2,015.94 is: 3,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.88 : 3,634.20 = 2,015.94 : x
  2. Step 2: Convert to fraction form
    2,421.88/3,634.20 = 2,015.94/x
  3. Step 3: Cross multiply
    2,421.88x = 3,634.20 × 2,015.94
  4. Step 4: Simplify right side
    2,421.88x = 7,326,329.15
  5. Step 5: Solve for x
    x = 7,326,329.15/2,421.88
  6. Step 6: Final answer
    x = 3,025.06

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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.