Home / 3,406.86-4,701.48-1,914.84

Finding the Fourth Proportional to 3,406.86, 4,701.48 and 1,914.84

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Solution

The fourth proportional to 3,406.86, 4,701.48 and 1,914.84 is: 2,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.86 : 4,701.48 = 1,914.84 : x
  2. Step 2: Convert to fraction form
    3,406.86/4,701.48 = 1,914.84/x
  3. Step 3: Cross multiply
    3,406.86x = 4,701.48 × 1,914.84
  4. Step 4: Simplify right side
    3,406.86x = 9,002,581.96
  5. Step 5: Solve for x
    x = 9,002,581.96/3,406.86
  6. Step 6: Final answer
    x = 2,642.49

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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.