Home / 2,455.98-3,389.21-1,336.90

Finding the Fourth Proportional to 2,455.98, 3,389.21 and 1,336.90

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Solution

The fourth proportional to 2,455.98, 3,389.21 and 1,336.90 is: 1,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.98 : 3,389.21 = 1,336.90 : x
  2. Step 2: Convert to fraction form
    2,455.98/3,389.21 = 1,336.90/x
  3. Step 3: Cross multiply
    2,455.98x = 3,389.21 × 1,336.90
  4. Step 4: Simplify right side
    2,455.98x = 4,531,034.85
  5. Step 5: Solve for x
    x = 4,531,034.85/2,455.98
  6. Step 6: Final answer
    x = 1,844.90

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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.