Home / 4,379.45-6,043.66-2,390.05

Finding the Fourth Proportional to 4,379.45, 6,043.66 and 2,390.05

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Solution

The fourth proportional to 4,379.45, 6,043.66 and 2,390.05 is: 3,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.45 : 6,043.66 = 2,390.05 : x
  2. Step 2: Convert to fraction form
    4,379.45/6,043.66 = 2,390.05/x
  3. Step 3: Cross multiply
    4,379.45x = 6,043.66 × 2,390.05
  4. Step 4: Simplify right side
    4,379.45x = 14,444,633.57
  5. Step 5: Solve for x
    x = 14,444,633.57/4,379.45
  6. Step 6: Final answer
    x = 3,298.28

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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.