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Finding the Fourth Proportional to 2,404.70, 3,607.05 and 2,020.70

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Solution

The fourth proportional to 2,404.70, 3,607.05 and 2,020.70 is: 3,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.70 : 3,607.05 = 2,020.70 : x
  2. Step 2: Convert to fraction form
    2,404.70/3,607.05 = 2,020.70/x
  3. Step 3: Cross multiply
    2,404.70x = 3,607.05 × 2,020.70
  4. Step 4: Simplify right side
    2,404.70x = 7,288,765.94
  5. Step 5: Solve for x
    x = 7,288,765.94/2,404.70
  6. Step 6: Final answer
    x = 3,031.05

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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.