Home / 2,979.30-4,462.47-2,579.34

Finding the Fourth Proportional to 2,979.30, 4,462.47 and 2,579.34

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Solution

The fourth proportional to 2,979.30, 4,462.47 and 2,579.34 is: 3,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.30 : 4,462.47 = 2,579.34 : x
  2. Step 2: Convert to fraction form
    2,979.30/4,462.47 = 2,579.34/x
  3. Step 3: Cross multiply
    2,979.30x = 4,462.47 × 2,579.34
  4. Step 4: Simplify right side
    2,979.30x = 11,510,227.37
  5. Step 5: Solve for x
    x = 11,510,227.37/2,979.30
  6. Step 6: Final answer
    x = 3,863.40

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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.