Home / 2,236.21-3,082.76-1,571.00

Finding the Fourth Proportional to 2,236.21, 3,082.76 and 1,571.00

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Solution

The fourth proportional to 2,236.21, 3,082.76 and 1,571.00 is: 2,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.21 : 3,082.76 = 1,571.00 : x
  2. Step 2: Convert to fraction form
    2,236.21/3,082.76 = 1,571.00/x
  3. Step 3: Cross multiply
    2,236.21x = 3,082.76 × 1,571.00
  4. Step 4: Simplify right side
    2,236.21x = 4,842,998.58
  5. Step 5: Solve for x
    x = 4,842,998.58/2,236.21
  6. Step 6: Final answer
    x = 2,165.72

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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.