Home / 3,740.60-5,156.70-2,559.80

Finding the Fourth Proportional to 3,740.60, 5,156.70 and 2,559.80

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Solution

The fourth proportional to 3,740.60, 5,156.70 and 2,559.80 is: 3,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.60 : 5,156.70 = 2,559.80 : x
  2. Step 2: Convert to fraction form
    3,740.60/5,156.70 = 2,559.80/x
  3. Step 3: Cross multiply
    3,740.60x = 5,156.70 × 2,559.80
  4. Step 4: Simplify right side
    3,740.60x = 13,200,120.66
  5. Step 5: Solve for x
    x = 13,200,120.66/3,740.60
  6. Step 6: Final answer
    x = 3,528.88

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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.