Home / 2,341.20-3,232.44-2,091.72

Finding the Fourth Proportional to 2,341.20, 3,232.44 and 2,091.72

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Solution

The fourth proportional to 2,341.20, 3,232.44 and 2,091.72 is: 2,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.20 : 3,232.44 = 2,091.72 : x
  2. Step 2: Convert to fraction form
    2,341.20/3,232.44 = 2,091.72/x
  3. Step 3: Cross multiply
    2,341.20x = 3,232.44 × 2,091.72
  4. Step 4: Simplify right side
    2,341.20x = 6,761,359.40
  5. Step 5: Solve for x
    x = 6,761,359.40/2,341.20
  6. Step 6: Final answer
    x = 2,887.99

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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.