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Finding the Fourth Proportional to 1,166.32, 1,750.09 and 1,099.09

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Solution

The fourth proportional to 1,166.32, 1,750.09 and 1,099.09 is: 1,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.32 : 1,750.09 = 1,099.09 : x
  2. Step 2: Convert to fraction form
    1,166.32/1,750.09 = 1,099.09/x
  3. Step 3: Cross multiply
    1,166.32x = 1,750.09 × 1,099.09
  4. Step 4: Simplify right side
    1,166.32x = 1,923,506.42
  5. Step 5: Solve for x
    x = 1,923,506.42/1,166.32
  6. Step 6: Final answer
    x = 1,649.21

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1.5x scale

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.