Home / 2,272.48-3,404.37-1,904.64

Finding the Fourth Proportional to 2,272.48, 3,404.37 and 1,904.64

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Solution

The fourth proportional to 2,272.48, 3,404.37 and 1,904.64 is: 2,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.48 : 3,404.37 = 1,904.64 : x
  2. Step 2: Convert to fraction form
    2,272.48/3,404.37 = 1,904.64/x
  3. Step 3: Cross multiply
    2,272.48x = 3,404.37 × 1,904.64
  4. Step 4: Simplify right side
    2,272.48x = 6,484,082.25
  5. Step 5: Solve for x
    x = 6,484,082.25/2,272.48
  6. Step 6: Final answer
    x = 2,853.31

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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.