Home / 2,427.99-3,639.17-1,039.25

Finding the Fourth Proportional to 2,427.99, 3,639.17 and 1,039.25

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Solution

The fourth proportional to 2,427.99, 3,639.17 and 1,039.25 is: 1,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.99 : 3,639.17 = 1,039.25 : x
  2. Step 2: Convert to fraction form
    2,427.99/3,639.17 = 1,039.25/x
  3. Step 3: Cross multiply
    2,427.99x = 3,639.17 × 1,039.25
  4. Step 4: Simplify right side
    2,427.99x = 3,781,984.03
  5. Step 5: Solve for x
    x = 3,781,984.03/2,427.99
  6. Step 6: Final answer
    x = 1,557.66

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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.