Home / 3,135.02-4,346.13-2,968.57

Finding the Fourth Proportional to 3,135.02, 4,346.13 and 2,968.57

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Solution

The fourth proportional to 3,135.02, 4,346.13 and 2,968.57 is: 4,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.02 : 4,346.13 = 2,968.57 : x
  2. Step 2: Convert to fraction form
    3,135.02/4,346.13 = 2,968.57/x
  3. Step 3: Cross multiply
    3,135.02x = 4,346.13 × 2,968.57
  4. Step 4: Simplify right side
    3,135.02x = 12,901,791.13
  5. Step 5: Solve for x
    x = 12,901,791.13/3,135.02
  6. Step 6: Final answer
    x = 4,115.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.