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Finding the Fourth Proportional to 2,349.52, 3,524.28 and 618

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Solution

The fourth proportional to 2,349.52, 3,524.28 and 618 is: 927

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.52 : 3,524.28 = 618 : x
  2. Step 2: Convert to fraction form
    2,349.52/3,524.28 = 618/x
  3. Step 3: Cross multiply
    2,349.52x = 3,524.28 × 618
  4. Step 4: Simplify right side
    2,349.52x = 2,178,005.04
  5. Step 5: Solve for x
    x = 2,178,005.04/2,349.52
  6. Step 6: Final answer
    x = 927

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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.