Home / 3,187.23-4,392.41-2,301.50

Finding the Fourth Proportional to 3,187.23, 4,392.41 and 2,301.50

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Solution

The fourth proportional to 3,187.23, 4,392.41 and 2,301.50 is: 3,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.23 : 4,392.41 = 2,301.50 : x
  2. Step 2: Convert to fraction form
    3,187.23/4,392.41 = 2,301.50/x
  3. Step 3: Cross multiply
    3,187.23x = 4,392.41 × 2,301.50
  4. Step 4: Simplify right side
    3,187.23x = 10,109,098.15
  5. Step 5: Solve for x
    x = 10,109,098.15/3,187.23
  6. Step 6: Final answer
    x = 3,171.75

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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.