Home / 2,916.36-4,005-2,496.69

Finding the Fourth Proportional to 2,916.36, 4,005 and 2,496.69

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Solution

The fourth proportional to 2,916.36, 4,005 and 2,496.69 is: 3,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.36 : 4,005 = 2,496.69 : x
  2. Step 2: Convert to fraction form
    2,916.36/4,005 = 2,496.69/x
  3. Step 3: Cross multiply
    2,916.36x = 4,005 × 2,496.69
  4. Step 4: Simplify right side
    2,916.36x = 9,999,243.45
  5. Step 5: Solve for x
    x = 9,999,243.45/2,916.36
  6. Step 6: Final answer
    x = 3,428.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.