Home / 3,504.60-5,246.10-3,115.80

Finding the Fourth Proportional to 3,504.60, 5,246.10 and 3,115.80

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Solution

The fourth proportional to 3,504.60, 5,246.10 and 3,115.80 is: 4,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.60 : 5,246.10 = 3,115.80 : x
  2. Step 2: Convert to fraction form
    3,504.60/5,246.10 = 3,115.80/x
  3. Step 3: Cross multiply
    3,504.60x = 5,246.10 × 3,115.80
  4. Step 4: Simplify right side
    3,504.60x = 16,345,798.38
  5. Step 5: Solve for x
    x = 16,345,798.38/3,504.60
  6. Step 6: Final answer
    x = 4,664.10

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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.