Home / 2,179.36-3,267.15-1,563.76

Finding the Fourth Proportional to 2,179.36, 3,267.15 and 1,563.76

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Solution

The fourth proportional to 2,179.36, 3,267.15 and 1,563.76 is: 2,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.36 : 3,267.15 = 1,563.76 : x
  2. Step 2: Convert to fraction form
    2,179.36/3,267.15 = 1,563.76/x
  3. Step 3: Cross multiply
    2,179.36x = 3,267.15 × 1,563.76
  4. Step 4: Simplify right side
    2,179.36x = 5,109,038.48
  5. Step 5: Solve for x
    x = 5,109,038.48/2,179.36
  6. Step 6: Final answer
    x = 2,344.28

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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.