Home / 2,486.64-3,428.46-1,896.24

Finding the Fourth Proportional to 2,486.64, 3,428.46 and 1,896.24

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Solution

The fourth proportional to 2,486.64, 3,428.46 and 1,896.24 is: 2,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.64 : 3,428.46 = 1,896.24 : x
  2. Step 2: Convert to fraction form
    2,486.64/3,428.46 = 1,896.24/x
  3. Step 3: Cross multiply
    2,486.64x = 3,428.46 × 1,896.24
  4. Step 4: Simplify right side
    2,486.64x = 6,501,182.99
  5. Step 5: Solve for x
    x = 6,501,182.99/2,486.64
  6. Step 6: Final answer
    x = 2,614.44

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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.