Home / 3,546.30-4,880.40-3,454.77

Finding the Fourth Proportional to 3,546.30, 4,880.40 and 3,454.77

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Solution

The fourth proportional to 3,546.30, 4,880.40 and 3,454.77 is: 4,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.30 : 4,880.40 = 3,454.77 : x
  2. Step 2: Convert to fraction form
    3,546.30/4,880.40 = 3,454.77/x
  3. Step 3: Cross multiply
    3,546.30x = 4,880.40 × 3,454.77
  4. Step 4: Simplify right side
    3,546.30x = 16,860,659.51
  5. Step 5: Solve for x
    x = 16,860,659.51/3,546.30
  6. Step 6: Final answer
    x = 4,754.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.