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Finding the Fourth Proportional to 3,670.94, 5,506.34 and 897.55

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Solution

The fourth proportional to 3,670.94, 5,506.34 and 897.55 is: 1,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.94 : 5,506.34 = 897.55 : x
  2. Step 2: Convert to fraction form
    3,670.94/5,506.34 = 897.55/x
  3. Step 3: Cross multiply
    3,670.94x = 5,506.34 × 897.55
  4. Step 4: Simplify right side
    3,670.94x = 4,942,197.21
  5. Step 5: Solve for x
    x = 4,942,197.21/3,670.94
  6. Step 6: Final answer
    x = 1,346.30

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1.5x scale

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.