Home / 3,438.52-5,160.71-1,359.99

Finding the Fourth Proportional to 3,438.52, 5,160.71 and 1,359.99

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Solution

The fourth proportional to 3,438.52, 5,160.71 and 1,359.99 is: 2,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.52 : 5,160.71 = 1,359.99 : x
  2. Step 2: Convert to fraction form
    3,438.52/5,160.71 = 1,359.99/x
  3. Step 3: Cross multiply
    3,438.52x = 5,160.71 × 1,359.99
  4. Step 4: Simplify right side
    3,438.52x = 7,018,517.39
  5. Step 5: Solve for x
    x = 7,018,517.39/3,438.52
  6. Step 6: Final answer
    x = 2,041.15

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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.