Home / 3,484.26-4,807.45-1,971.86

Finding the Fourth Proportional to 3,484.26, 4,807.45 and 1,971.86

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Solution

The fourth proportional to 3,484.26, 4,807.45 and 1,971.86 is: 2,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.26 : 4,807.45 = 1,971.86 : x
  2. Step 2: Convert to fraction form
    3,484.26/4,807.45 = 1,971.86/x
  3. Step 3: Cross multiply
    3,484.26x = 4,807.45 × 1,971.86
  4. Step 4: Simplify right side
    3,484.26x = 9,479,589.39
  5. Step 5: Solve for x
    x = 9,479,589.39/3,484.26
  6. Step 6: Final answer
    x = 2,720.69

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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.