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Finding the Fourth Proportional to 3,563.10, 5,344.65 and 930.60

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Solution

The fourth proportional to 3,563.10, 5,344.65 and 930.60 is: 1,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.10 : 5,344.65 = 930.60 : x
  2. Step 2: Convert to fraction form
    3,563.10/5,344.65 = 930.60/x
  3. Step 3: Cross multiply
    3,563.10x = 5,344.65 × 930.60
  4. Step 4: Simplify right side
    3,563.10x = 4,973,731.29
  5. Step 5: Solve for x
    x = 4,973,731.29/3,563.10
  6. Step 6: Final answer
    x = 1,395.90

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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.