Home / 2,418.37-3,337.62-1,356.31

Finding the Fourth Proportional to 2,418.37, 3,337.62 and 1,356.31

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Solution

The fourth proportional to 2,418.37, 3,337.62 and 1,356.31 is: 1,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.37 : 3,337.62 = 1,356.31 : x
  2. Step 2: Convert to fraction form
    2,418.37/3,337.62 = 1,356.31/x
  3. Step 3: Cross multiply
    2,418.37x = 3,337.62 × 1,356.31
  4. Step 4: Simplify right side
    2,418.37x = 4,526,847.38
  5. Step 5: Solve for x
    x = 4,526,847.38/2,418.37
  6. Step 6: Final answer
    x = 1,871.86

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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.