Home / 1,769.34-2,649.14-1,335.18

Finding the Fourth Proportional to 1,769.34, 2,649.14 and 1,335.18

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Solution

The fourth proportional to 1,769.34, 2,649.14 and 1,335.18 is: 1,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.34 : 2,649.14 = 1,335.18 : x
  2. Step 2: Convert to fraction form
    1,769.34/2,649.14 = 1,335.18/x
  3. Step 3: Cross multiply
    1,769.34x = 2,649.14 × 1,335.18
  4. Step 4: Simplify right side
    1,769.34x = 3,537,078.75
  5. Step 5: Solve for x
    x = 3,537,078.75/1,769.34
  6. Step 6: Final answer
    x = 1,999.09

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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.