Home / 2,103.60-3,153.60-1,485.36

Finding the Fourth Proportional to 2,103.60, 3,153.60 and 1,485.36

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Solution

The fourth proportional to 2,103.60, 3,153.60 and 1,485.36 is: 2,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.60 : 3,153.60 = 1,485.36 : x
  2. Step 2: Convert to fraction form
    2,103.60/3,153.60 = 1,485.36/x
  3. Step 3: Cross multiply
    2,103.60x = 3,153.60 × 1,485.36
  4. Step 4: Simplify right side
    2,103.60x = 4,684,231.30
  5. Step 5: Solve for x
    x = 4,684,231.30/2,103.60
  6. Step 6: Final answer
    x = 2,226.77

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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.