Home / 4,234.40-5,837.92-2,905.80

Finding the Fourth Proportional to 4,234.40, 5,837.92 and 2,905.80

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Solution

The fourth proportional to 4,234.40, 5,837.92 and 2,905.80 is: 4,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.40 : 5,837.92 = 2,905.80 : x
  2. Step 2: Convert to fraction form
    4,234.40/5,837.92 = 2,905.80/x
  3. Step 3: Cross multiply
    4,234.40x = 5,837.92 × 2,905.80
  4. Step 4: Simplify right side
    4,234.40x = 16,963,827.94
  5. Step 5: Solve for x
    x = 16,963,827.94/4,234.40
  6. Step 6: Final answer
    x = 4,006.19

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1.5x scale

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.