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Finding the Fourth Proportional to 2,349.32, 3,523.97 and 705.99

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Solution

The fourth proportional to 2,349.32, 3,523.97 and 705.99 is: 1,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.32 : 3,523.97 = 705.99 : x
  2. Step 2: Convert to fraction form
    2,349.32/3,523.97 = 705.99/x
  3. Step 3: Cross multiply
    2,349.32x = 3,523.97 × 705.99
  4. Step 4: Simplify right side
    2,349.32x = 2,487,894.14
  5. Step 5: Solve for x
    x = 2,487,894.14/2,349.32
  6. Step 6: Final answer
    x = 1,058.99

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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.