Home / 2,102.84-3,150.66-1,485.44

Finding the Fourth Proportional to 2,102.84, 3,150.66 and 1,485.44

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Solution

The fourth proportional to 2,102.84, 3,150.66 and 1,485.44 is: 2,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.84 : 3,150.66 = 1,485.44 : x
  2. Step 2: Convert to fraction form
    2,102.84/3,150.66 = 1,485.44/x
  3. Step 3: Cross multiply
    2,102.84x = 3,150.66 × 1,485.44
  4. Step 4: Simplify right side
    2,102.84x = 4,680,116.39
  5. Step 5: Solve for x
    x = 4,680,116.39/2,102.84
  6. Step 6: Final answer
    x = 2,225.62

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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.