Home / 3,520.89-5,307.77-3,283.08

Finding the Fourth Proportional to 3,520.89, 5,307.77 and 3,283.08

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Solution

The fourth proportional to 3,520.89, 5,307.77 and 3,283.08 is: 4,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.89 : 5,307.77 = 3,283.08 : x
  2. Step 2: Convert to fraction form
    3,520.89/5,307.77 = 3,283.08/x
  3. Step 3: Cross multiply
    3,520.89x = 5,307.77 × 3,283.08
  4. Step 4: Simplify right side
    3,520.89x = 17,425,817.12
  5. Step 5: Solve for x
    x = 17,425,817.12/3,520.89
  6. Step 6: Final answer
    x = 4,949.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.