Home / 3,291.04-4,935.84-1,100.08

Finding the Fourth Proportional to 3,291.04, 4,935.84 and 1,100.08

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Solution

The fourth proportional to 3,291.04, 4,935.84 and 1,100.08 is: 1,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.04 : 4,935.84 = 1,100.08 : x
  2. Step 2: Convert to fraction form
    3,291.04/4,935.84 = 1,100.08/x
  3. Step 3: Cross multiply
    3,291.04x = 4,935.84 × 1,100.08
  4. Step 4: Simplify right side
    3,291.04x = 5,429,818.87
  5. Step 5: Solve for x
    x = 5,429,818.87/3,291.04
  6. Step 6: Final answer
    x = 1,649.88

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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.