Home / 3,523.66-5,285.85-1,214.62

Finding the Fourth Proportional to 3,523.66, 5,285.85 and 1,214.62

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Solution

The fourth proportional to 3,523.66, 5,285.85 and 1,214.62 is: 1,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.66 : 5,285.85 = 1,214.62 : x
  2. Step 2: Convert to fraction form
    3,523.66/5,285.85 = 1,214.62/x
  3. Step 3: Cross multiply
    3,523.66x = 5,285.85 × 1,214.62
  4. Step 4: Simplify right side
    3,523.66x = 6,420,299.13
  5. Step 5: Solve for x
    x = 6,420,299.13/3,523.66
  6. Step 6: Final answer
    x = 1,822.05

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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.