Home / 2,455.51-3,388.57-1,617.43

Finding the Fourth Proportional to 2,455.51, 3,388.57 and 1,617.43

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Solution

The fourth proportional to 2,455.51, 3,388.57 and 1,617.43 is: 2,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.51 : 3,388.57 = 1,617.43 : x
  2. Step 2: Convert to fraction form
    2,455.51/3,388.57 = 1,617.43/x
  3. Step 3: Cross multiply
    2,455.51x = 3,388.57 × 1,617.43
  4. Step 4: Simplify right side
    2,455.51x = 5,480,774.78
  5. Step 5: Solve for x
    x = 5,480,774.78/2,455.51
  6. Step 6: Final answer
    x = 2,232.03

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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.