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Finding the Fourth Proportional to 3,679.02, 5,509.08 and 3,263.76

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Solution

The fourth proportional to 3,679.02, 5,509.08 and 3,263.76 is: 4,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.02 : 5,509.08 = 3,263.76 : x
  2. Step 2: Convert to fraction form
    3,679.02/5,509.08 = 3,263.76/x
  3. Step 3: Cross multiply
    3,679.02x = 5,509.08 × 3,263.76
  4. Step 4: Simplify right side
    3,679.02x = 17,980,314.94
  5. Step 5: Solve for x
    x = 17,980,314.94/3,679.02
  6. Step 6: Final answer
    x = 4,887.26

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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.