Home / 2,642.00-3,961.63-1,409.08

Finding the Fourth Proportional to 2,642.00, 3,961.63 and 1,409.08

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Solution

The fourth proportional to 2,642.00, 3,961.63 and 1,409.08 is: 2,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.00 : 3,961.63 = 1,409.08 : x
  2. Step 2: Convert to fraction form
    2,642.00/3,961.63 = 1,409.08/x
  3. Step 3: Cross multiply
    2,642.00x = 3,961.63 × 1,409.08
  4. Step 4: Simplify right side
    2,642.00x = 5,582,240.17
  5. Step 5: Solve for x
    x = 5,582,240.17/2,642.00
  6. Step 6: Final answer
    x = 2,112.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.