Home / 4,029.60-6,043.80-1,431.92

Finding the Fourth Proportional to 4,029.60, 6,043.80 and 1,431.92

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Solution

The fourth proportional to 4,029.60, 6,043.80 and 1,431.92 is: 2,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,029.60 : 6,043.80 = 1,431.92 : x
  2. Step 2: Convert to fraction form
    4,029.60/6,043.80 = 1,431.92/x
  3. Step 3: Cross multiply
    4,029.60x = 6,043.80 × 1,431.92
  4. Step 4: Simplify right side
    4,029.60x = 8,654,238.10
  5. Step 5: Solve for x
    x = 8,654,238.10/4,029.60
  6. Step 6: Final answer
    x = 2,147.67

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1.5x scale

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.