Home / 3,178.13-4,383.23-2,237.05

Finding the Fourth Proportional to 3,178.13, 4,383.23 and 2,237.05

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Solution

The fourth proportional to 3,178.13, 4,383.23 and 2,237.05 is: 3,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.13 : 4,383.23 = 2,237.05 : x
  2. Step 2: Convert to fraction form
    3,178.13/4,383.23 = 2,237.05/x
  3. Step 3: Cross multiply
    3,178.13x = 4,383.23 × 2,237.05
  4. Step 4: Simplify right side
    3,178.13x = 9,805,499.31
  5. Step 5: Solve for x
    x = 9,805,499.31/3,178.13
  6. Step 6: Final answer
    x = 3,085.30

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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.