Home / 2,103.32-3,155.36-1,414.40

Finding the Fourth Proportional to 2,103.32, 3,155.36 and 1,414.40

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Solution

The fourth proportional to 2,103.32, 3,155.36 and 1,414.40 is: 2,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.32 : 3,155.36 = 1,414.40 : x
  2. Step 2: Convert to fraction form
    2,103.32/3,155.36 = 1,414.40/x
  3. Step 3: Cross multiply
    2,103.32x = 3,155.36 × 1,414.40
  4. Step 4: Simplify right side
    2,103.32x = 4,462,941.18
  5. Step 5: Solve for x
    x = 4,462,941.18/2,103.32
  6. Step 6: Final answer
    x = 2,121.86

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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.