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Finding the Fourth Proportional to 2,348.52, 3,522.78 and 705.24

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Solution

The fourth proportional to 2,348.52, 3,522.78 and 705.24 is: 1,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.52 : 3,522.78 = 705.24 : x
  2. Step 2: Convert to fraction form
    2,348.52/3,522.78 = 705.24/x
  3. Step 3: Cross multiply
    2,348.52x = 3,522.78 × 705.24
  4. Step 4: Simplify right side
    2,348.52x = 2,484,405.37
  5. Step 5: Solve for x
    x = 2,484,405.37/2,348.52
  6. Step 6: Final answer
    x = 1,057.86

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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.