Home / 3,307.20-4,965.60-2,491.20

Finding the Fourth Proportional to 3,307.20, 4,965.60 and 2,491.20

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Solution

The fourth proportional to 3,307.20, 4,965.60 and 2,491.20 is: 3,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.20 : 4,965.60 = 2,491.20 : x
  2. Step 2: Convert to fraction form
    3,307.20/4,965.60 = 2,491.20/x
  3. Step 3: Cross multiply
    3,307.20x = 4,965.60 × 2,491.20
  4. Step 4: Simplify right side
    3,307.20x = 12,370,302.72
  5. Step 5: Solve for x
    x = 12,370,302.72/3,307.20
  6. Step 6: Final answer
    x = 3,740.42

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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.