Home / 2,354.36-3,249.60-1,569.20

Finding the Fourth Proportional to 2,354.36, 3,249.60 and 1,569.20

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Solution

The fourth proportional to 2,354.36, 3,249.60 and 1,569.20 is: 2,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.36 : 3,249.60 = 1,569.20 : x
  2. Step 2: Convert to fraction form
    2,354.36/3,249.60 = 1,569.20/x
  3. Step 3: Cross multiply
    2,354.36x = 3,249.60 × 1,569.20
  4. Step 4: Simplify right side
    2,354.36x = 5,099,272.32
  5. Step 5: Solve for x
    x = 5,099,272.32/2,354.36
  6. Step 6: Final answer
    x = 2,165.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.