Home / 3,742.58-5,164.40-2,170.50

Finding the Fourth Proportional to 3,742.58, 5,164.40 and 2,170.50

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Solution

The fourth proportional to 3,742.58, 5,164.40 and 2,170.50 is: 2,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.58 : 5,164.40 = 2,170.50 : x
  2. Step 2: Convert to fraction form
    3,742.58/5,164.40 = 2,170.50/x
  3. Step 3: Cross multiply
    3,742.58x = 5,164.40 × 2,170.50
  4. Step 4: Simplify right side
    3,742.58x = 11,209,335.63
  5. Step 5: Solve for x
    x = 11,209,335.63/3,742.58
  6. Step 6: Final answer
    x = 2,995.09

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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.