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Finding the Fourth Proportional to 3,018.74, 4,524.87 and 1,476.50

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Solution

The fourth proportional to 3,018.74, 4,524.87 and 1,476.50 is: 2,213.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.74 : 4,524.87 = 1,476.50 : x
  2. Step 2: Convert to fraction form
    3,018.74/4,524.87 = 1,476.50/x
  3. Step 3: Cross multiply
    3,018.74x = 4,524.87 × 1,476.50
  4. Step 4: Simplify right side
    3,018.74x = 6,680,970.56
  5. Step 5: Solve for x
    x = 6,680,970.56/3,018.74
  6. Step 6: Final answer
    x = 2,213.17

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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.