Home / 2,911.88-4,366.18-1,353.44

Finding the Fourth Proportional to 2,911.88, 4,366.18 and 1,353.44

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Solution

The fourth proportional to 2,911.88, 4,366.18 and 1,353.44 is: 2,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.88 : 4,366.18 = 1,353.44 : x
  2. Step 2: Convert to fraction form
    2,911.88/4,366.18 = 1,353.44/x
  3. Step 3: Cross multiply
    2,911.88x = 4,366.18 × 1,353.44
  4. Step 4: Simplify right side
    2,911.88x = 5,909,362.66
  5. Step 5: Solve for x
    x = 5,909,362.66/2,911.88
  6. Step 6: Final answer
    x = 2,029.40

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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.