Home / 3,160.66-4,742.59-2,132.50

Finding the Fourth Proportional to 3,160.66, 4,742.59 and 2,132.50

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Solution

The fourth proportional to 3,160.66, 4,742.59 and 2,132.50 is: 3,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.66 : 4,742.59 = 2,132.50 : x
  2. Step 2: Convert to fraction form
    3,160.66/4,742.59 = 2,132.50/x
  3. Step 3: Cross multiply
    3,160.66x = 4,742.59 × 2,132.50
  4. Step 4: Simplify right side
    3,160.66x = 10,113,573.18
  5. Step 5: Solve for x
    x = 10,113,573.18/3,160.66
  6. Step 6: Final answer
    x = 3,199.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.