Home / 2,423.36-3,635.44-1,107.20

Finding the Fourth Proportional to 2,423.36, 3,635.44 and 1,107.20

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Solution

The fourth proportional to 2,423.36, 3,635.44 and 1,107.20 is: 1,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.36 : 3,635.44 = 1,107.20 : x
  2. Step 2: Convert to fraction form
    2,423.36/3,635.44 = 1,107.20/x
  3. Step 3: Cross multiply
    2,423.36x = 3,635.44 × 1,107.20
  4. Step 4: Simplify right side
    2,423.36x = 4,025,159.17
  5. Step 5: Solve for x
    x = 4,025,159.17/2,423.36
  6. Step 6: Final answer
    x = 1,660.98

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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.