Home / 1,341.66-2,009.54-1,107.90

Finding the Fourth Proportional to 1,341.66, 2,009.54 and 1,107.90

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Solution

The fourth proportional to 1,341.66, 2,009.54 and 1,107.90 is: 1,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.66 : 2,009.54 = 1,107.90 : x
  2. Step 2: Convert to fraction form
    1,341.66/2,009.54 = 1,107.90/x
  3. Step 3: Cross multiply
    1,341.66x = 2,009.54 × 1,107.90
  4. Step 4: Simplify right side
    1,341.66x = 2,226,369.37
  5. Step 5: Solve for x
    x = 2,226,369.37/1,341.66
  6. Step 6: Final answer
    x = 1,659.41

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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.