Home / 1,405.93-2,107.15-1,232.93

Finding the Fourth Proportional to 1,405.93, 2,107.15 and 1,232.93

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Solution

The fourth proportional to 1,405.93, 2,107.15 and 1,232.93 is: 1,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.93 : 2,107.15 = 1,232.93 : x
  2. Step 2: Convert to fraction form
    1,405.93/2,107.15 = 1,232.93/x
  3. Step 3: Cross multiply
    1,405.93x = 2,107.15 × 1,232.93
  4. Step 4: Simplify right side
    1,405.93x = 2,597,968.45
  5. Step 5: Solve for x
    x = 2,597,968.45/1,405.93
  6. Step 6: Final answer
    x = 1,847.86

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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.