Home / 3,143.70-4,719.60-2,528.10

Finding the Fourth Proportional to 3,143.70, 4,719.60 and 2,528.10

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Solution

The fourth proportional to 3,143.70, 4,719.60 and 2,528.10 is: 3,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.70 : 4,719.60 = 2,528.10 : x
  2. Step 2: Convert to fraction form
    3,143.70/4,719.60 = 2,528.10/x
  3. Step 3: Cross multiply
    3,143.70x = 4,719.60 × 2,528.10
  4. Step 4: Simplify right side
    3,143.70x = 11,931,620.76
  5. Step 5: Solve for x
    x = 11,931,620.76/3,143.70
  6. Step 6: Final answer
    x = 3,795.41

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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.