Home / 3,210.10-4,815.15-3,027.85

Finding the Fourth Proportional to 3,210.10, 4,815.15 and 3,027.85

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Solution

The fourth proportional to 3,210.10, 4,815.15 and 3,027.85 is: 4,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.10 : 4,815.15 = 3,027.85 : x
  2. Step 2: Convert to fraction form
    3,210.10/4,815.15 = 3,027.85/x
  3. Step 3: Cross multiply
    3,210.10x = 4,815.15 × 3,027.85
  4. Step 4: Simplify right side
    3,210.10x = 14,579,551.93
  5. Step 5: Solve for x
    x = 14,579,551.93/3,210.10
  6. Step 6: Final answer
    x = 4,541.78

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Similar ratio
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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.