Home / 2,360.79-3,257.31-1,365.78

Finding the Fourth Proportional to 2,360.79, 3,257.31 and 1,365.78

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Solution

The fourth proportional to 2,360.79, 3,257.31 and 1,365.78 is: 1,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.79 : 3,257.31 = 1,365.78 : x
  2. Step 2: Convert to fraction form
    2,360.79/3,257.31 = 1,365.78/x
  3. Step 3: Cross multiply
    2,360.79x = 3,257.31 × 1,365.78
  4. Step 4: Simplify right side
    2,360.79x = 4,448,768.85
  5. Step 5: Solve for x
    x = 4,448,768.85/2,360.79
  6. Step 6: Final answer
    x = 1,884.44

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1.5x scale

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.