Home / 3,850.02-5,315.40-2,964.12

Finding the Fourth Proportional to 3,850.02, 5,315.40 and 2,964.12

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Solution

The fourth proportional to 3,850.02, 5,315.40 and 2,964.12 is: 4,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.02 : 5,315.40 = 2,964.12 : x
  2. Step 2: Convert to fraction form
    3,850.02/5,315.40 = 2,964.12/x
  3. Step 3: Cross multiply
    3,850.02x = 5,315.40 × 2,964.12
  4. Step 4: Simplify right side
    3,850.02x = 15,755,483.45
  5. Step 5: Solve for x
    x = 15,755,483.45/3,850.02
  6. Step 6: Final answer
    x = 4,092.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.