Home / 4,342.20-6,512.90-2,152.38

Finding the Fourth Proportional to 4,342.20, 6,512.90 and 2,152.38

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Solution

The fourth proportional to 4,342.20, 6,512.90 and 2,152.38 is: 3,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.20 : 6,512.90 = 2,152.38 : x
  2. Step 2: Convert to fraction form
    4,342.20/6,512.90 = 2,152.38/x
  3. Step 3: Cross multiply
    4,342.20x = 6,512.90 × 2,152.38
  4. Step 4: Simplify right side
    4,342.20x = 14,018,235.70
  5. Step 5: Solve for x
    x = 14,018,235.70/4,342.20
  6. Step 6: Final answer
    x = 3,228.37

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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.