Home / 1,340.56-2,014.84-1,110.96

Finding the Fourth Proportional to 1,340.56, 2,014.84 and 1,110.96

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Solution

The fourth proportional to 1,340.56, 2,014.84 and 1,110.96 is: 1,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.56 : 2,014.84 = 1,110.96 : x
  2. Step 2: Convert to fraction form
    1,340.56/2,014.84 = 1,110.96/x
  3. Step 3: Cross multiply
    1,340.56x = 2,014.84 × 1,110.96
  4. Step 4: Simplify right side
    1,340.56x = 2,238,406.65
  5. Step 5: Solve for x
    x = 2,238,406.65/1,340.56
  6. Step 6: Final answer
    x = 1,669.75

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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.