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Finding the Fourth Proportional to 3,216.94, 4,820.24 and 1,363.77

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Solution

The fourth proportional to 3,216.94, 4,820.24 and 1,363.77 is: 2,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.94 : 4,820.24 = 1,363.77 : x
  2. Step 2: Convert to fraction form
    3,216.94/4,820.24 = 1,363.77/x
  3. Step 3: Cross multiply
    3,216.94x = 4,820.24 × 1,363.77
  4. Step 4: Simplify right side
    3,216.94x = 6,573,702.11
  5. Step 5: Solve for x
    x = 6,573,702.11/3,216.94
  6. Step 6: Final answer
    x = 2,043.47

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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.