Home / 3,968.10-5,952.15-3,603.60

Finding the Fourth Proportional to 3,968.10, 5,952.15 and 3,603.60

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Solution

The fourth proportional to 3,968.10, 5,952.15 and 3,603.60 is: 5,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.10 : 5,952.15 = 3,603.60 : x
  2. Step 2: Convert to fraction form
    3,968.10/5,952.15 = 3,603.60/x
  3. Step 3: Cross multiply
    3,968.10x = 5,952.15 × 3,603.60
  4. Step 4: Simplify right side
    3,968.10x = 21,449,167.74
  5. Step 5: Solve for x
    x = 21,449,167.74/3,968.10
  6. Step 6: Final answer
    x = 5,405.40

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1.5x scale

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.