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Finding the Fourth Proportional to 2,017.21, 3,026.10 and 630.67

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Solution

The fourth proportional to 2,017.21, 3,026.10 and 630.67 is: 946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.21 : 3,026.10 = 630.67 : x
  2. Step 2: Convert to fraction form
    2,017.21/3,026.10 = 630.67/x
  3. Step 3: Cross multiply
    2,017.21x = 3,026.10 × 630.67
  4. Step 4: Simplify right side
    2,017.21x = 1,908,470.49
  5. Step 5: Solve for x
    x = 1,908,470.49/2,017.21
  6. Step 6: Final answer
    x = 946.09

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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.