Home / 3,814.86-5,260.64-2,555.72

Finding the Fourth Proportional to 3,814.86, 5,260.64 and 2,555.72

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Solution

The fourth proportional to 3,814.86, 5,260.64 and 2,555.72 is: 3,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.86 : 5,260.64 = 2,555.72 : x
  2. Step 2: Convert to fraction form
    3,814.86/5,260.64 = 2,555.72/x
  3. Step 3: Cross multiply
    3,814.86x = 5,260.64 × 2,555.72
  4. Step 4: Simplify right side
    3,814.86x = 13,444,683.78
  5. Step 5: Solve for x
    x = 13,444,683.78/3,814.86
  6. Step 6: Final answer
    x = 3,524.29

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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.