Home / 2,529.99-3,788.28-1,979.58

Finding the Fourth Proportional to 2,529.99, 3,788.28 and 1,979.58

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Solution

The fourth proportional to 2,529.99, 3,788.28 and 1,979.58 is: 2,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.99 : 3,788.28 = 1,979.58 : x
  2. Step 2: Convert to fraction form
    2,529.99/3,788.28 = 1,979.58/x
  3. Step 3: Cross multiply
    2,529.99x = 3,788.28 × 1,979.58
  4. Step 4: Simplify right side
    2,529.99x = 7,499,203.32
  5. Step 5: Solve for x
    x = 7,499,203.32/2,529.99
  6. Step 6: Final answer
    x = 2,964.12

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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.