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Finding the Fourth Proportional to 2,011.36, 3,017.38 and 624.43

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Solution

The fourth proportional to 2,011.36, 3,017.38 and 624.43 is: 936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.36 : 3,017.38 = 624.43 : x
  2. Step 2: Convert to fraction form
    2,011.36/3,017.38 = 624.43/x
  3. Step 3: Cross multiply
    2,011.36x = 3,017.38 × 624.43
  4. Step 4: Simplify right side
    2,011.36x = 1,884,152.71
  5. Step 5: Solve for x
    x = 1,884,152.71/2,011.36
  6. Step 6: Final answer
    x = 936.76

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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.