Home / 3,307.60-4,964.64-2,520.28

Finding the Fourth Proportional to 3,307.60, 4,964.64 and 2,520.28

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Solution

The fourth proportional to 3,307.60, 4,964.64 and 2,520.28 is: 3,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.60 : 4,964.64 = 2,520.28 : x
  2. Step 2: Convert to fraction form
    3,307.60/4,964.64 = 2,520.28/x
  3. Step 3: Cross multiply
    3,307.60x = 4,964.64 × 2,520.28
  4. Step 4: Simplify right side
    3,307.60x = 12,512,282.90
  5. Step 5: Solve for x
    x = 12,512,282.90/3,307.60
  6. Step 6: Final answer
    x = 3,782.89

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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.