Home / 3,742.60-5,159.46-2,561.80

Finding the Fourth Proportional to 3,742.60, 5,159.46 and 2,561.80

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Solution

The fourth proportional to 3,742.60, 5,159.46 and 2,561.80 is: 3,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.60 : 5,159.46 = 2,561.80 : x
  2. Step 2: Convert to fraction form
    3,742.60/5,159.46 = 2,561.80/x
  3. Step 3: Cross multiply
    3,742.60x = 5,159.46 × 2,561.80
  4. Step 4: Simplify right side
    3,742.60x = 13,217,504.63
  5. Step 5: Solve for x
    x = 13,217,504.63/3,742.60
  6. Step 6: Final answer
    x = 3,531.64

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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.