Home / 3,307.20-4,953.90-1,553.70

Finding the Fourth Proportional to 3,307.20, 4,953.90 and 1,553.70

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Solution

The fourth proportional to 3,307.20, 4,953.90 and 1,553.70 is: 2,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.20 : 4,953.90 = 1,553.70 : x
  2. Step 2: Convert to fraction form
    3,307.20/4,953.90 = 1,553.70/x
  3. Step 3: Cross multiply
    3,307.20x = 4,953.90 × 1,553.70
  4. Step 4: Simplify right side
    3,307.20x = 7,696,874.43
  5. Step 5: Solve for x
    x = 7,696,874.43/3,307.20
  6. Step 6: Final answer
    x = 2,327.31

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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.