Home / 3,417.12-5,122.44-1,107

Finding the Fourth Proportional to 3,417.12, 5,122.44 and 1,107

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Solution

The fourth proportional to 3,417.12, 5,122.44 and 1,107 is: 1,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.12 : 5,122.44 = 1,107 : x
  2. Step 2: Convert to fraction form
    3,417.12/5,122.44 = 1,107/x
  3. Step 3: Cross multiply
    3,417.12x = 5,122.44 × 1,107
  4. Step 4: Simplify right side
    3,417.12x = 5,670,541.08
  5. Step 5: Solve for x
    x = 5,670,541.08/3,417.12
  6. Step 6: Final answer
    x = 1,659.45

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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.