Home / 3,579.30-5,374.44-3,513.72

Finding the Fourth Proportional to 3,579.30, 5,374.44 and 3,513.72

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Solution

The fourth proportional to 3,579.30, 5,374.44 and 3,513.72 is: 5,275.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.30 : 5,374.44 = 3,513.72 : x
  2. Step 2: Convert to fraction form
    3,579.30/5,374.44 = 3,513.72/x
  3. Step 3: Cross multiply
    3,579.30x = 5,374.44 × 3,513.72
  4. Step 4: Simplify right side
    3,579.30x = 18,884,277.32
  5. Step 5: Solve for x
    x = 18,884,277.32/3,579.30
  6. Step 6: Final answer
    x = 5,275.97

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1.5x scale

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.