Home / 3,325.28-4,988-1,104.16

Finding the Fourth Proportional to 3,325.28, 4,988 and 1,104.16

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Solution

The fourth proportional to 3,325.28, 4,988 and 1,104.16 is: 1,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.28 : 4,988 = 1,104.16 : x
  2. Step 2: Convert to fraction form
    3,325.28/4,988 = 1,104.16/x
  3. Step 3: Cross multiply
    3,325.28x = 4,988 × 1,104.16
  4. Step 4: Simplify right side
    3,325.28x = 5,507,550.08
  5. Step 5: Solve for x
    x = 5,507,550.08/3,325.28
  6. Step 6: Final answer
    x = 1,656.27

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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.