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Finding the Fourth Proportional to 3,373.56, 5,068.56 and 3,187.08

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Solution

The fourth proportional to 3,373.56, 5,068.56 and 3,187.08 is: 4,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.56 : 5,068.56 = 3,187.08 : x
  2. Step 2: Convert to fraction form
    3,373.56/5,068.56 = 3,187.08/x
  3. Step 3: Cross multiply
    3,373.56x = 5,068.56 × 3,187.08
  4. Step 4: Simplify right side
    3,373.56x = 16,153,906.20
  5. Step 5: Solve for x
    x = 16,153,906.20/3,373.56
  6. Step 6: Final answer
    x = 4,788.39

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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.