Home / 2,041.36-2,817.08-1,109.86

Finding the Fourth Proportional to 2,041.36, 2,817.08 and 1,109.86

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Solution

The fourth proportional to 2,041.36, 2,817.08 and 1,109.86 is: 1,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.36 : 2,817.08 = 1,109.86 : x
  2. Step 2: Convert to fraction form
    2,041.36/2,817.08 = 1,109.86/x
  3. Step 3: Cross multiply
    2,041.36x = 2,817.08 × 1,109.86
  4. Step 4: Simplify right side
    2,041.36x = 3,126,564.41
  5. Step 5: Solve for x
    x = 3,126,564.41/2,041.36
  6. Step 6: Final answer
    x = 1,531.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.