Home / 1,101.33-1,652.40-1,094.85

Finding the Fourth Proportional to 1,101.33, 1,652.40 and 1,094.85

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Solution

The fourth proportional to 1,101.33, 1,652.40 and 1,094.85 is: 1,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.33 : 1,652.40 = 1,094.85 : x
  2. Step 2: Convert to fraction form
    1,101.33/1,652.40 = 1,094.85/x
  3. Step 3: Cross multiply
    1,101.33x = 1,652.40 × 1,094.85
  4. Step 4: Simplify right side
    1,101.33x = 1,809,130.14
  5. Step 5: Solve for x
    x = 1,809,130.14/1,101.33
  6. Step 6: Final answer
    x = 1,642.68

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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.