Home / 2,458.71-3,392.94-1,396.56

Finding the Fourth Proportional to 2,458.71, 3,392.94 and 1,396.56

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Solution

The fourth proportional to 2,458.71, 3,392.94 and 1,396.56 is: 1,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.71 : 3,392.94 = 1,396.56 : x
  2. Step 2: Convert to fraction form
    2,458.71/3,392.94 = 1,396.56/x
  3. Step 3: Cross multiply
    2,458.71x = 3,392.94 × 1,396.56
  4. Step 4: Simplify right side
    2,458.71x = 4,738,444.29
  5. Step 5: Solve for x
    x = 4,738,444.29/2,458.71
  6. Step 6: Final answer
    x = 1,927.21

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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.