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Finding the Fourth Proportional to 2,808.60, 4,204.80 and 2,484.60

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Solution

The fourth proportional to 2,808.60, 4,204.80 and 2,484.60 is: 3,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.60 : 4,204.80 = 2,484.60 : x
  2. Step 2: Convert to fraction form
    2,808.60/4,204.80 = 2,484.60/x
  3. Step 3: Cross multiply
    2,808.60x = 4,204.80 × 2,484.60
  4. Step 4: Simplify right side
    2,808.60x = 10,447,246.08
  5. Step 5: Solve for x
    x = 10,447,246.08/2,808.60
  6. Step 6: Final answer
    x = 3,719.73

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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.