Home / 3,291.30-4,937.09-1,101.60

Finding the Fourth Proportional to 3,291.30, 4,937.09 and 1,101.60

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Solution

The fourth proportional to 3,291.30, 4,937.09 and 1,101.60 is: 1,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.30 : 4,937.09 = 1,101.60 : x
  2. Step 2: Convert to fraction form
    3,291.30/4,937.09 = 1,101.60/x
  3. Step 3: Cross multiply
    3,291.30x = 4,937.09 × 1,101.60
  4. Step 4: Simplify right side
    3,291.30x = 5,438,692.84
  5. Step 5: Solve for x
    x = 5,438,692.84/3,291.30
  6. Step 6: Final answer
    x = 1,652.45

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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.