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Finding the Fourth Proportional to 4,379.67, 6,043.97 and 2,390.22

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Solution

The fourth proportional to 4,379.67, 6,043.97 and 2,390.22 is: 3,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.67 : 6,043.97 = 2,390.22 : x
  2. Step 2: Convert to fraction form
    4,379.67/6,043.97 = 2,390.22/x
  3. Step 3: Cross multiply
    4,379.67x = 6,043.97 × 2,390.22
  4. Step 4: Simplify right side
    4,379.67x = 14,446,423.95
  5. Step 5: Solve for x
    x = 14,446,423.95/4,379.67
  6. Step 6: Final answer
    x = 3,298.52

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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.