Home / 3,291.81-4,937.58-1,100.37

Finding the Fourth Proportional to 3,291.81, 4,937.58 and 1,100.37

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Solution

The fourth proportional to 3,291.81, 4,937.58 and 1,100.37 is: 1,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.81 : 4,937.58 = 1,100.37 : x
  2. Step 2: Convert to fraction form
    3,291.81/4,937.58 = 1,100.37/x
  3. Step 3: Cross multiply
    3,291.81x = 4,937.58 × 1,100.37
  4. Step 4: Simplify right side
    3,291.81x = 5,433,164.90
  5. Step 5: Solve for x
    x = 5,433,164.90/3,291.81
  6. Step 6: Final answer
    x = 1,650.51

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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.