Home / 3,540.19-5,308.74-1,784.08

Finding the Fourth Proportional to 3,540.19, 5,308.74 and 1,784.08

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Solution

The fourth proportional to 3,540.19, 5,308.74 and 1,784.08 is: 2,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.19 : 5,308.74 = 1,784.08 : x
  2. Step 2: Convert to fraction form
    3,540.19/5,308.74 = 1,784.08/x
  3. Step 3: Cross multiply
    3,540.19x = 5,308.74 × 1,784.08
  4. Step 4: Simplify right side
    3,540.19x = 9,471,216.86
  5. Step 5: Solve for x
    x = 9,471,216.86/3,540.19
  6. Step 6: Final answer
    x = 2,675.34

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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.