Home / 2,445.52-3,669.36-1,291.36

Finding the Fourth Proportional to 2,445.52, 3,669.36 and 1,291.36

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Solution

The fourth proportional to 2,445.52, 3,669.36 and 1,291.36 is: 1,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.52 : 3,669.36 = 1,291.36 : x
  2. Step 2: Convert to fraction form
    2,445.52/3,669.36 = 1,291.36/x
  3. Step 3: Cross multiply
    2,445.52x = 3,669.36 × 1,291.36
  4. Step 4: Simplify right side
    2,445.52x = 4,738,464.73
  5. Step 5: Solve for x
    x = 4,738,464.73/2,445.52
  6. Step 6: Final answer
    x = 1,937.61

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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.