Home / 2,287.99-3,439.28-1,427.77

Finding the Fourth Proportional to 2,287.99, 3,439.28 and 1,427.77

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Solution

The fourth proportional to 2,287.99, 3,439.28 and 1,427.77 is: 2,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.99 : 3,439.28 = 1,427.77 : x
  2. Step 2: Convert to fraction form
    2,287.99/3,439.28 = 1,427.77/x
  3. Step 3: Cross multiply
    2,287.99x = 3,439.28 × 1,427.77
  4. Step 4: Simplify right side
    2,287.99x = 4,910,500.81
  5. Step 5: Solve for x
    x = 4,910,500.81/2,287.99
  6. Step 6: Final answer
    x = 2,146.21

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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.