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Finding the Fourth Proportional to 2,355.39, 3,533.13 and 624.03

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Solution

The fourth proportional to 2,355.39, 3,533.13 and 624.03 is: 936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.39 : 3,533.13 = 624.03 : x
  2. Step 2: Convert to fraction form
    2,355.39/3,533.13 = 624.03/x
  3. Step 3: Cross multiply
    2,355.39x = 3,533.13 × 624.03
  4. Step 4: Simplify right side
    2,355.39x = 2,204,779.11
  5. Step 5: Solve for x
    x = 2,204,779.11/2,355.39
  6. Step 6: Final answer
    x = 936.06

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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.