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Finding the Fourth Proportional to 3,252.88, 4,879.36 and 913.04

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Solution

The fourth proportional to 3,252.88, 4,879.36 and 913.04 is: 1,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.88 : 4,879.36 = 913.04 : x
  2. Step 2: Convert to fraction form
    3,252.88/4,879.36 = 913.04/x
  3. Step 3: Cross multiply
    3,252.88x = 4,879.36 × 913.04
  4. Step 4: Simplify right side
    3,252.88x = 4,455,050.85
  5. Step 5: Solve for x
    x = 4,455,050.85/3,252.88
  6. Step 6: Final answer
    x = 1,369.57

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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.