Home / 1,631.07-2,440.94-1,335.15

Finding the Fourth Proportional to 1,631.07, 2,440.94 and 1,335.15

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Solution

The fourth proportional to 1,631.07, 2,440.94 and 1,335.15 is: 1,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.07 : 2,440.94 = 1,335.15 : x
  2. Step 2: Convert to fraction form
    1,631.07/2,440.94 = 1,335.15/x
  3. Step 3: Cross multiply
    1,631.07x = 2,440.94 × 1,335.15
  4. Step 4: Simplify right side
    1,631.07x = 3,259,014.37
  5. Step 5: Solve for x
    x = 3,259,014.37/1,631.07
  6. Step 6: Final answer
    x = 1,998.08

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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.