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Finding the Fourth Proportional to 3,166.61, 4,745.27 and 1,782.64

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Solution

The fourth proportional to 3,166.61, 4,745.27 and 1,782.64 is: 2,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.61 : 4,745.27 = 1,782.64 : x
  2. Step 2: Convert to fraction form
    3,166.61/4,745.27 = 1,782.64/x
  3. Step 3: Cross multiply
    3,166.61x = 4,745.27 × 1,782.64
  4. Step 4: Simplify right side
    3,166.61x = 8,459,118.50
  5. Step 5: Solve for x
    x = 8,459,118.50/3,166.61
  6. Step 6: Final answer
    x = 2,671.35

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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.