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Finding the Fourth Proportional to 2,913.33, 4,371.21 and 1,453.71

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Solution

The fourth proportional to 2,913.33, 4,371.21 and 1,453.71 is: 2,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.33 : 4,371.21 = 1,453.71 : x
  2. Step 2: Convert to fraction form
    2,913.33/4,371.21 = 1,453.71/x
  3. Step 3: Cross multiply
    2,913.33x = 4,371.21 × 1,453.71
  4. Step 4: Simplify right side
    2,913.33x = 6,354,471.69
  5. Step 5: Solve for x
    x = 6,354,471.69/2,913.33
  6. Step 6: Final answer
    x = 2,181.17

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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.