Home / 4,230.60-6,342.03-1,631.58

Finding the Fourth Proportional to 4,230.60, 6,342.03 and 1,631.58

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Solution

The fourth proportional to 4,230.60, 6,342.03 and 1,631.58 is: 2,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.60 : 6,342.03 = 1,631.58 : x
  2. Step 2: Convert to fraction form
    4,230.60/6,342.03 = 1,631.58/x
  3. Step 3: Cross multiply
    4,230.60x = 6,342.03 × 1,631.58
  4. Step 4: Simplify right side
    4,230.60x = 10,347,529.31
  5. Step 5: Solve for x
    x = 10,347,529.31/4,230.60
  6. Step 6: Final answer
    x = 2,445.88

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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.