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Finding the Fourth Proportional to 1,334.15, 1,841.09 and 744.67

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Solution

The fourth proportional to 1,334.15, 1,841.09 and 744.67 is: 1,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.15 : 1,841.09 = 744.67 : x
  2. Step 2: Convert to fraction form
    1,334.15/1,841.09 = 744.67/x
  3. Step 3: Cross multiply
    1,334.15x = 1,841.09 × 744.67
  4. Step 4: Simplify right side
    1,334.15x = 1,371,008.16
  5. Step 5: Solve for x
    x = 1,371,008.16/1,334.15
  6. Step 6: Final answer
    x = 1,027.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.