Home / 2,321.65-3,202.58-1,376.53

Finding the Fourth Proportional to 2,321.65, 3,202.58 and 1,376.53

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Solution

The fourth proportional to 2,321.65, 3,202.58 and 1,376.53 is: 1,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.65 : 3,202.58 = 1,376.53 : x
  2. Step 2: Convert to fraction form
    2,321.65/3,202.58 = 1,376.53/x
  3. Step 3: Cross multiply
    2,321.65x = 3,202.58 × 1,376.53
  4. Step 4: Simplify right side
    2,321.65x = 4,408,441.14
  5. Step 5: Solve for x
    x = 4,408,441.14/2,321.65
  6. Step 6: Final answer
    x = 1,898.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.