Home / 2,873.94-3,966.04-1,615

Finding the Fourth Proportional to 2,873.94, 3,966.04 and 1,615

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Solution

The fourth proportional to 2,873.94, 3,966.04 and 1,615 is: 2,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.94 : 3,966.04 = 1,615 : x
  2. Step 2: Convert to fraction form
    2,873.94/3,966.04 = 1,615/x
  3. Step 3: Cross multiply
    2,873.94x = 3,966.04 × 1,615
  4. Step 4: Simplify right side
    2,873.94x = 6,405,154.60
  5. Step 5: Solve for x
    x = 6,405,154.60/2,873.94
  6. Step 6: Final answer
    x = 2,228.70

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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.