Home / 3,985.25-5,970.38-2,336.90

Finding the Fourth Proportional to 3,985.25, 5,970.38 and 2,336.90

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Solution

The fourth proportional to 3,985.25, 5,970.38 and 2,336.90 is: 3,500.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.25 : 5,970.38 = 2,336.90 : x
  2. Step 2: Convert to fraction form
    3,985.25/5,970.38 = 2,336.90/x
  3. Step 3: Cross multiply
    3,985.25x = 5,970.38 × 2,336.90
  4. Step 4: Simplify right side
    3,985.25x = 13,952,139.49
  5. Step 5: Solve for x
    x = 13,952,139.49/3,985.25
  6. Step 6: Final answer
    x = 3,500.95

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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.