Home / 4,113.54-5,677.35-2,619.90

Finding the Fourth Proportional to 4,113.54, 5,677.35 and 2,619.90

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Solution

The fourth proportional to 4,113.54, 5,677.35 and 2,619.90 is: 3,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.54 : 5,677.35 = 2,619.90 : x
  2. Step 2: Convert to fraction form
    4,113.54/5,677.35 = 2,619.90/x
  3. Step 3: Cross multiply
    4,113.54x = 5,677.35 × 2,619.90
  4. Step 4: Simplify right side
    4,113.54x = 14,874,089.27
  5. Step 5: Solve for x
    x = 14,874,089.27/4,113.54
  6. Step 6: Final answer
    x = 3,615.89

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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.