Home / 2,800.59-4,199.99-926.13

Finding the Fourth Proportional to 2,800.59, 4,199.99 and 926.13

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Solution

The fourth proportional to 2,800.59, 4,199.99 and 926.13 is: 1,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.59 : 4,199.99 = 926.13 : x
  2. Step 2: Convert to fraction form
    2,800.59/4,199.99 = 926.13/x
  3. Step 3: Cross multiply
    2,800.59x = 4,199.99 × 926.13
  4. Step 4: Simplify right side
    2,800.59x = 3,889,748.40
  5. Step 5: Solve for x
    x = 3,889,748.40/2,800.59
  6. Step 6: Final answer
    x = 1,388.90

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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.