Home / 3,177.45-4,383.59-2,291.31

Finding the Fourth Proportional to 3,177.45, 4,383.59 and 2,291.31

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Solution

The fourth proportional to 3,177.45, 4,383.59 and 2,291.31 is: 3,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.45 : 4,383.59 = 2,291.31 : x
  2. Step 2: Convert to fraction form
    3,177.45/4,383.59 = 2,291.31/x
  3. Step 3: Cross multiply
    3,177.45x = 4,383.59 × 2,291.31
  4. Step 4: Simplify right side
    3,177.45x = 10,044,152.15
  5. Step 5: Solve for x
    x = 10,044,152.15/3,177.45
  6. Step 6: Final answer
    x = 3,161.07

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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.