Home / 2,455.68-3,391.36-2,104.32

Finding the Fourth Proportional to 2,455.68, 3,391.36 and 2,104.32

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Solution

The fourth proportional to 2,455.68, 3,391.36 and 2,104.32 is: 2,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.68 : 3,391.36 = 2,104.32 : x
  2. Step 2: Convert to fraction form
    2,455.68/3,391.36 = 2,104.32/x
  3. Step 3: Cross multiply
    2,455.68x = 3,391.36 × 2,104.32
  4. Step 4: Simplify right side
    2,455.68x = 7,136,506.68
  5. Step 5: Solve for x
    x = 7,136,506.68/2,455.68
  6. Step 6: Final answer
    x = 2,906.12

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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.