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Finding the Fourth Proportional to 3,500.70, 5,040.36 and 3,500.70

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Solution

The fourth proportional to 3,500.70, 5,040.36 and 3,500.70 is: 5,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.70 : 5,040.36 = 3,500.70 : x
  2. Step 2: Convert to fraction form
    3,500.70/5,040.36 = 3,500.70/x
  3. Step 3: Cross multiply
    3,500.70x = 5,040.36 × 3,500.70
  4. Step 4: Simplify right side
    3,500.70x = 17,644,788.25
  5. Step 5: Solve for x
    x = 17,644,788.25/3,500.70
  6. Step 6: Final answer
    x = 5,040.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.