Home / 2,455.88-3,389.18-1,336.87

Finding the Fourth Proportional to 2,455.88, 3,389.18 and 1,336.87

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Solution

The fourth proportional to 2,455.88, 3,389.18 and 1,336.87 is: 1,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.88 : 3,389.18 = 1,336.87 : x
  2. Step 2: Convert to fraction form
    2,455.88/3,389.18 = 1,336.87/x
  3. Step 3: Cross multiply
    2,455.88x = 3,389.18 × 1,336.87
  4. Step 4: Simplify right side
    2,455.88x = 4,530,879.07
  5. Step 5: Solve for x
    x = 4,530,879.07/2,455.88
  6. Step 6: Final answer
    x = 1,844.91

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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.