Home / 3,383.10-4,666.01-2,940.30

Finding the Fourth Proportional to 3,383.10, 4,666.01 and 2,940.30

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Solution

The fourth proportional to 3,383.10, 4,666.01 and 2,940.30 is: 4,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.10 : 4,666.01 = 2,940.30 : x
  2. Step 2: Convert to fraction form
    3,383.10/4,666.01 = 2,940.30/x
  3. Step 3: Cross multiply
    3,383.10x = 4,666.01 × 2,940.30
  4. Step 4: Simplify right side
    3,383.10x = 13,719,454.50
  5. Step 5: Solve for x
    x = 13,719,454.50/3,383.10
  6. Step 6: Final answer
    x = 4,055.29

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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.