Home / 1,770.11-2,649.96-1,109.84

Finding the Fourth Proportional to 1,770.11, 2,649.96 and 1,109.84

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Solution

The fourth proportional to 1,770.11, 2,649.96 and 1,109.84 is: 1,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.11 : 2,649.96 = 1,109.84 : x
  2. Step 2: Convert to fraction form
    1,770.11/2,649.96 = 1,109.84/x
  3. Step 3: Cross multiply
    1,770.11x = 2,649.96 × 1,109.84
  4. Step 4: Simplify right side
    1,770.11x = 2,941,018.36
  5. Step 5: Solve for x
    x = 2,941,018.36/1,770.11
  6. Step 6: Final answer
    x = 1,661.49

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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.