Home / 2,203.71-3,299.15-1,715.28

Finding the Fourth Proportional to 2,203.71, 3,299.15 and 1,715.28

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Solution

The fourth proportional to 2,203.71, 3,299.15 and 1,715.28 is: 2,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.71 : 3,299.15 = 1,715.28 : x
  2. Step 2: Convert to fraction form
    2,203.71/3,299.15 = 1,715.28/x
  3. Step 3: Cross multiply
    2,203.71x = 3,299.15 × 1,715.28
  4. Step 4: Simplify right side
    2,203.71x = 5,658,957.44
  5. Step 5: Solve for x
    x = 5,658,957.44/2,203.71
  6. Step 6: Final answer
    x = 2,567.92

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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.