Home / 4,379.20-6,565.10-2,038

Finding the Fourth Proportional to 4,379.20, 6,565.10 and 2,038

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Solution

The fourth proportional to 4,379.20, 6,565.10 and 2,038 is: 3,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.20 : 6,565.10 = 2,038 : x
  2. Step 2: Convert to fraction form
    4,379.20/6,565.10 = 2,038/x
  3. Step 3: Cross multiply
    4,379.20x = 6,565.10 × 2,038
  4. Step 4: Simplify right side
    4,379.20x = 13,379,673.80
  5. Step 5: Solve for x
    x = 13,379,673.80/4,379.20
  6. Step 6: Final answer
    x = 3,055.28

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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.