Home / 3,203.13-4,805.25-1,124.40

Finding the Fourth Proportional to 3,203.13, 4,805.25 and 1,124.40

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Solution

The fourth proportional to 3,203.13, 4,805.25 and 1,124.40 is: 1,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.13 : 4,805.25 = 1,124.40 : x
  2. Step 2: Convert to fraction form
    3,203.13/4,805.25 = 1,124.40/x
  3. Step 3: Cross multiply
    3,203.13x = 4,805.25 × 1,124.40
  4. Step 4: Simplify right side
    3,203.13x = 5,403,023.10
  5. Step 5: Solve for x
    x = 5,403,023.10/3,203.13
  6. Step 6: Final answer
    x = 1,686.79

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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.