Home / 2,458.05-3,392.08-1,338.98

Finding the Fourth Proportional to 2,458.05, 3,392.08 and 1,338.98

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Solution

The fourth proportional to 2,458.05, 3,392.08 and 1,338.98 is: 1,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.05 : 3,392.08 = 1,338.98 : x
  2. Step 2: Convert to fraction form
    2,458.05/3,392.08 = 1,338.98/x
  3. Step 3: Cross multiply
    2,458.05x = 3,392.08 × 1,338.98
  4. Step 4: Simplify right side
    2,458.05x = 4,541,927.28
  5. Step 5: Solve for x
    x = 4,541,927.28/2,458.05
  6. Step 6: Final answer
    x = 1,847.78

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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.