Home / 2,458.57-3,391.99-1,396.19

Finding the Fourth Proportional to 2,458.57, 3,391.99 and 1,396.19

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Solution

The fourth proportional to 2,458.57, 3,391.99 and 1,396.19 is: 1,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.57 : 3,391.99 = 1,396.19 : x
  2. Step 2: Convert to fraction form
    2,458.57/3,391.99 = 1,396.19/x
  3. Step 3: Cross multiply
    2,458.57x = 3,391.99 × 1,396.19
  4. Step 4: Simplify right side
    2,458.57x = 4,735,862.52
  5. Step 5: Solve for x
    x = 4,735,862.52/2,458.57
  6. Step 6: Final answer
    x = 1,926.27

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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.