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Finding the Fourth Proportional to 1,360.62, 2,041.07 and 630.41

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Solution

The fourth proportional to 1,360.62, 2,041.07 and 630.41 is: 945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.62 : 2,041.07 = 630.41 : x
  2. Step 2: Convert to fraction form
    1,360.62/2,041.07 = 630.41/x
  3. Step 3: Cross multiply
    1,360.62x = 2,041.07 × 630.41
  4. Step 4: Simplify right side
    1,360.62x = 1,286,697.58
  5. Step 5: Solve for x
    x = 1,286,697.58/1,360.62
  6. Step 6: Final answer
    x = 945.67

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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.